Rajasthan Paramedical 2019 Question Paper

RUHS Entrance
Examination 2019
Question Paper
Paramedical UG
Q. No. 1
Strongest forces in nature are
0061001
Option A Nuclear forces
Option B Electrostatic forces
Option C Gravitational forces
Option D Electrostatic forces and Gravitational forces

Q. No. 2 If the resultant of n forces of different magnitudes acting at a point is zero, then the
0061002 minimum value of n is
Option A 1
Option B 4
Option C 2
Option D 3

Q. No. 3
The spherical shape of rain-drop is due to
0061003
Option A Density
Option B Pressure
Option C Viscosity
Option D Surface tension

Q. No. 4
A spherical equipotential surface is not possible for
0061004
Option A point charge
Option B dipole
Option C uniformly charged sphere
Option D spherical capacitor

Q. No. 5 An ideal gas expands isothermally from a volume V1 to V2 and then compressed to its
0061005 original volume V1 adiabatically. Initial pressure is P1, final pressure is P3 and the
total work done is W, then
Option A P3 > P1 , W = 0
Option B P3 < P1 , W > 0
Option C P3 > P1 , W < 0
Option D P3 < P1 , W = 0

Q. No. 6 A heater of 220 V heats a certain volume of water to certain temperature in 2
0061006 minutes, if the voltage drops to 110 V then the same results will be obtained in
Option A 4 minute
Option B 6 minute

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Option C 8 minute
Option D 10 minute

Q. No. 7 During an adiabatic process, the pressure of a gas is found to be proportional to the
0061007
cube of its absolute temperature. The for the gas is

Option A 1/2
Option B 2/3
Option C 3/2
Option D 1

Q. No. 8 The true value of angle of dip at a place is 30 degree, the apparent dip in a plane
0061008 inclined at an angle of 60 degree with magnetic meridian is

Option A

Option B

Option C

Option D

Q. No. 9 If a spring is stretched to 0.30 meter, when a mass of 0.60 kg is suspended
0061009 (g=10m/s2) then the force constant K will be
Option A 20 N/m
Option B 25 N/m
Option C 18 N/m
Option D 15 N/m

Q. No. 10
The material of permanent magnet has
0061010
Option A High retentivity, High coercivity
Option B Low retentivity, Low coercivity
Option C Low retentivity, High coercivity
Option D High retentivity, Low coercivity

Q. No. 11
Which of the following is most suitable for the core of electromagnets
0061011
Option A Soft iron
Option B Aluminium
Option C Copper-nickel alloy
Option D Tungsten

Q. No. 12
Ultrasonic waves in air produced by a vibrating quartz crystal are
0061012
Option A Transverse waves

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Option B Longitudinal waves
Option C Transverse and Longitudinal waves
Option D Electromagnetic waves

Q. No. 13
Current is measured with
0061013
Option A Ammeter
Option B Voltmeter
Option C Potentiometer
Option D Galvanometer

Q. No. 14 In an amplitude modulated wave for audio frequency is 350 cycle/second, then the
0061014 appropriate carrier frequency will be
Option A 50 cycle/second
Option B 1000 cycle/second
Option C 300 cycle/second
Option D 250 cycle/second

Q. No. 15
In an AC circuit, peak voltage is 416 volts, the value of effective voltage would be
0061015
Option A 294 Volt
Option B 300 Volt
Option C 416 Volt
Option D 284 Volt

Q. No. 16
Frequency of AC power in India is
0061016
Option A 50 Hz
Option B 60 Hz
Option C 220 Hz
Option D 240 Hz

Q. No. 17
Detection of gamma rays can be done by
0061017
Option A Ionization chamber
Option B Eye
Option C Barometer
Option D Thermometer

Q. No. 18
Microwave is produced from
0061018
Option A Vibration of atom
Option B Radioactive decay

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Option C Magnetron
Option D X-ray tube

Q. No. 19 An object is placed at 5 cm in front of a concave mirror of radius of curvature 15 cm.
0061019 The magnification of the image will be
Option A 3
Option B -3
Option C 6
Option D -6

Q. No. 20
Critical angle of Crown glass with respect to air is
0061020
Option A 41.14 degree
Option B 48.75 degree
Option C 24.56 degree
Option D 37.31 degree

Q. No. 21
If refractive index of a glass is 4 then the speed of light in glass will be
0061021
7
Option A 7.5 x 10 m/s
8
Option B 7.5 x 10 m/s
8
Option C 0.075 x 10 m/s
7
Option D 0.75 x 10 m/s

Q. No. 22
The portion of the wavefront of light from a distant star intercepted by the Earth is
0061022
Option A Elliptical wavefront
Option B Square wavefront
Option C Plane wavefront
Option D Spherical wavefront

Q. No. 23
The minimum energy needed by an electron to come out from a metal surface is called
0061023
Option A Work function of the metal
Option B Total Energy of the metal
Option C Kinetic energy of the metal
Option D Potential energy of the metal

Q. No. 24
Photoelectric effect involves conversion of light energy to
0061024
Option A Electrical energy
Option B Chemical energy

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Option C Heat energy
Option D Wave energy

Q. No. 25
Nucleus has
0061025
Option A Protons and electrons
Option B Electrons
Option C Protons and neutrons
Option D Only neutrons

Q. No. 26
The energy required to remove an electron in a hydrogen atom from n=3 state is
0061026
Option A 13.6 eV
Option B 1.36 eV
Option C 1.51 eV
Option D 0.151 eV

Q. No. 27
Calculate the energy equivalent of 2 g of substance
0061027
13
Option A 9 x 10 J
13
Option B 18 x 10 J
13
Option C 36 x 10 J
13
Option D 27 x 10 J

Q. No. 28
5 Ci is equal to how much becquerel
0061028

Option A 18.5 x 1010 Bq

Option B 2.7 x 1011 Bq

Option C 2.7 x 10-10 Bq

Option D 18.5 x 10-10 Bq

Q. No. 29
In n-type semiconductor
0061029
Option A Number of hole greater than number of electron
Option B Number of electron greater than number of hole
Option C Number of hole equal to number of electron
Option D Only holes are present.

Q. No. 30
Energy gap between valence and conduction band in insulator is
0061030
Option A More than 3 eV
Option B less than 0.2 eV

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Option C Between 0.2 to 3 eV
Option D Zero

Q. No. 31 If an amplitude modulated wave has maximum amplitude of 8V and minimum
0061031 amplitude of 4V then modulation index will be
Option A 1/2
Option B 2
Option C 1/3
Option D 3

Q. No. 32 A closed pipe and an open pipe have their first overtones identical in frequency. Their
0061032 lengths are in the ratio of
Option A 1:5
Option B 2:1
Option C 1:3
Option D 3:4

Q. No. 33 A bulb and a capacitor are connected in series to a source of alternating current. If its
0061033 frequency is increased, while keeping the voltage of the source constant, then bulb
will give
Option A same intense light
Option B less intense light
Option C more intense light
Option D stop emitting light

Q. No. 34 On an average, a Camel heart was found to beat 60 times in a minute, its time period
0061034 will be
Option A 1s
Option B 2s
Option C 0.8 s
Option D 0.001 s

Q. No. 35 A vertical wire carries a current upwards. The magnetic field at a point due north of
0061035 the wire is directed
Option A Upward
Option B Due west
Option C Due south
Option D Due east

Q. No. 36 A metal wire of length L and area of cross-section A is fixed between rigid supports of
0061036 negligible tension. If this is cooled, then
Option A Length increase and tension decrease
Option B Length decrease and tension increase

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Option C Length decrease and tension decrease
Option D Tension increase and length increase

Q. No. 37
The magnetic moment of atomic neon is
0061037
Option A 2
Option B zero
Option C 1
Option D 3

Q. No. 38 A gas expands from 1 litre to 5 litres at one atmospheric pressure. The work done by
0061038 the gas is nearly
Option A 400 Nm
Option B 100 Nm
Option C 50 Nm
Option D 10 Nm

Q. No. 39 The average degree of freedom per molecule for a gas is 5. The gas performs 30 J of
0061039 work when it expands at constant pressure. The heat absorbed by the gas is
Option A 110 J
Option B 30 J
Option C 210 J
Option D 105 J

Q. No. 40 Peltier co-efficient of a thermo couple is 2 nano volts. If 5 amp current flows for 1
0061040 minute then heat developed at a junction would be
Option A 6 erg
Option B 3 erg
Option C 10 erg
Option D 30 erg

Q. No. 41
In cold countries during winter, water pipes sometimes burst because
0061041
Option A water freezes and it takes heat from pipes
Option B water freezes and pressure increases
Option C water expands on freezing
Option D water pipes expands on cooling

Q. No. 42 A house has 220 V power supply and it is protected by a 4 ampere fuse. The maximum
0061042 number of 40 W lamps in parallel that can be turned on will be
Option A 22
Option B 40
Option C 88

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Option D 160

Q. No. 43
Coatings material on raincoat makes it waterproof by increasing the
0061043
Option A Cohesive force
Option B Water absorption
Option C surface tension
Option D Angle of contact

Q. No. 44
The time period of a simple pendulum on a freely moving artificial satellite is
0061044
Option A Infinite
Option B 10 sec
Option C 0
Option D 5 sec

Q. No. 45 A long string with a charge of per unit length passes through an imaginary cube of
0061045 edge a. The maximum flux of the electric field through the cube will be

Option A

Option B

Option C

Option D

Q. No. 46 A half ring of radius R has a charge of per unit length. The potential at the centre of
0061046 the half ring is

Option A

Option B

Option C

Option D

Q. No. 47
In the three states of matter, the elastic coefficient can be
0061047
Option A Bulk modulus
Option B Poisson ratio
Option C Young modulus
Option D Coefficient of volume elasticity

Q. No. 48
If the temperature increases, the modulus of elasticity
0061048
Option A First increases & then decreases

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Option B Increases
Option C Unchanged
Option D Decreases

Q. No. 49 A cyclist turns around a curve at 15 miles/hour. If he turns at triple the speed, the
0061049 tendency to overturn is
Option A 16 times
Option B 2 times
Option C 4 Time
Option D 9 time

Q. No. 50
A Cyclist going round in a circular track at constant speed has
0061050
Option A Constant acceleration
Option B Constant angular velocity
Option C Constant force
Option D Constant velocity

Q. No. 51 When ethyl iodide and propyl iodide react with sodium in the presence of ether then
0071001 they form
Option A Only one alkane
Option B Two alkane
Option C Three alkane
Option D Five alkane

Q. No. 52
Bauxite contain impurities of iron oxide is purified by
0071002
Option A Hoop process
Option B Serpeck process
Option C Bayer process
Option D Electrolytic process

Q. No. 53
Normality of 0.2 M Phosphorous acid is
0071003
Option A 0.3
Option B 0.5
Option C 0.4
Option D 0.6

Q. No. 54
Frequency of Limiting line in Balmer Series
0071004

Option A 3.22 x 1015 Hz
Option B

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14
7.29 x 10 Hz
14
Option C 8.22 x 10 Hz
14
Option D 5.29 x 10 Hz

Q. No. 55
An organic compound contains C = 36, H = 6 and rest oxygen. Its Empirical formula is
0071005
Option A C3HO2

Option B C2H2O2

Option C CH2O2

Option D CH2O

Q. No. 56
In which Group all the physical states (Solid, Liquid Gas) observed
0071006
Option A Group 13
Option B Group 15
Option C Group 17
Option D Group 14

Q. No. 57
Why ionization Potential of Nitrogen is greater than oxygen
0071007
Option A Ionization potential increases with decrease in size
Option B Nitrogen poses stable half-filled p-orbital
Option C Screening effect in nitrogen greater than oxygen
Option D Oxygen is more electropositive than nitrogen

Q. No. 58
Which of the following oxide of nitrogen is not a common air pollutant?
0071008
Option A NO2

Option B N2O 5

Option C NO
Option D N2O

Q. No. 59
An exothermic reaction is a chemical reaction in which
0071009
Option A heat is released
Option B heat is absorbed
Option C Coolant is produced
Option D nothing happens

Q. No. 60 Root Mean Square(RMS) Velocity of an ideal gas at constant pressure varies with
0071010 density relates as
Option A d

Page 10 of 17

Option B d1/2
2
Option C d
-1/2
Option D d

Q. No. 61
Frenkel defect is happened in the lattice crystal due to
0071011
Option A An extra positive ion occupying an interstitial position in the lattice crystal
Option B An extra negative ion occupying an interstitial position in the lattice crystal
The shift of a positive ion from its normal lattice site Creating a vacancy and occupy an
Option C
interstitial site
Option D An ion or atom missing from the normal lattice site creating a vacancy

Q. No. 62
What is work done, when Fe(s) is dissolved in aqueous HCl in a closed vessel
0071012
Option A Zero
Option B Negative
Option C Positive
Option D Infinity

Q. No. 63
The value of gas constant R is:
0071013
-1 -1
Option A 8.3 J mol K
Option B 0.082 litre atm
-1 -1
Option C 83 erg K mol
-1 -1
Option D 0.987 cal mol K

Q. No. 64
pH of 0.1M solution of weak acid is 2. The value of ionization constant Ka of acid is
0071014

Option A 1 x 10-3

Option B 1 x 10-4

Option C 1 x 10-5
-6
Option D 1 x 10

Q. No. 65 Osmotic pressure is 0.0821 atm at temperature of 300K. Find concentration in
0071015 mole/litre
-2
Option A 0.33 x 10

Option B 0.33 x 10-3

Option C 0.33 x 10-4

Option D 0.33 x 10-5

Q. No. 66
What is the Molecular formula of sodium chromate(VI)
0071016

Page 11 of 17

Option A Na2CrO4

Option B Na3Cr4O4

Option C Na2CrO2

Option D Na2Cr2O4

Q. No. 67
What is the oxidation number of iodine in CsI3, ICl3
0071017
Option A -3, -1
Option B -1/3, +3
Option C +3,-1/2
Option D -1/3,+2

Q. No. 68
Method used for removal of temporary and permanent hardness of water
0071018
Option A Decantation
Option B Distillation
Option C Boiling
Option D Filtration

Q. No. 69
A zero order reaction is one whose rate is independent of
0071019
Option A Temperature
Option B Reaction vessel volume
Option C Pressure of light
Option D Concentration of reactants

Q. No. 70
Compound insoluble in acetic acid is
0071020
Option A Calcium oxide
Option B Calcium carbonate
Option C Calcium oxalate
Option D Calcium hydroxide

Q. No. 71
A catalyst is a substance which
0071021
Option A Increases the equilibrium concentration of the product
Option B Supplies energy to the reaction
Option C Alter the rate of reaction and Changes the equilibrium constant of the reaction
Option D Shortens the time to reach equilibrium

Q. No. 72
In diborane the two H-B-H angles are
0071022
Option A 0 0
85 , 120

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0 0
Option B 95 , 120
0 0
Option C 75 , 110
0 0
Option D 65 , 120

Q. No. 73 Aluminium has a great affinity for oxygen and its oxidation is an exothermic process.
0071023 This fact is used for
Option A Preparing thin foils of aluminium
Option B Making of utensils
Option C Preparing of duraalumini alloy
Option D Thermite welding

Q. No. 74
Law of Reciprocal proportion was given by
0071024
Option A Jeremias Richter
Option B Proust
Option C Gay Lussac
Option D Dalton

Q. No. 75
When the temperature is increased, surface tension of water:
0071025
Option A Increases
Option B Shows irregular behaviour
Option C Remains constant
Option D Decreases

Q. No. 76
Carbon atoms in C2 (CN)4 are:
0071026
Option A Sp hybridised
2
Option B Sp and Sp hybridised
2
Option C Sp hybridised
2 3
Option D Sp, Sp and Sp hybridised

Q. No. 77
What is the molecular Geometry of CIF3
0071027
Option A T-Shape
Option B Octahedral
Option C Trigonal Planar
Option D Trigonal Bipyramid

Q. No. 78
Insulin contains 2.8% sulphur. The minimum molecular weight of insulin is
0071028
Option A 1142.85

Page 13 of 17

Option B 942.44
Option C 2800
Option D 3200

Q. No. 79
The kinetic energy of 8.0 moles of N2 gas at 1270 C is (R=2 calmole-1K-1)
0071029
Option A 9600 cal
Option B 4800 cal
Option C 1400 cal
Option D 1700 cal

Q. No. 80
Which of the following industry waste of phenolic compounds and suspended solids?
0071030
Option A Sugar
Option B Petroleum
Option C Paper
Option D Detergent

Q. No. 81
Which of the following crystal has no rotation of symmetry?
0071031
Option A Triclinic
Option B Hexagonal
Option C Orthorhombic
Option D Cubic

Q. No. 82
The aqueous solution of HCOO Na, KCN and C6H5NH3Cl are
0071032
Option A Basic, basic and acidic
Option B Acidic, basic and neutral
Option C basic, basic and neutral
Option D neutral, basic and neutral

Q. No. 83
Heavy water freezes at which temperature
0071033

Option A 18o C

Option B 3.8o C

Option C 38o C

Option D 10o C

Q. No. 84
Why gypsum is added to cement
0071034
Option A Setting time of cement become less

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Option B Setting time of cement increases
Option C Cement colour change
Option D Shining surface is obtained

Q. No. 85
Which of the following is a highly corrosive salt
0071035
Option A FeCl2

Option B Hg2Cl2

Option C PbCl2

Option D HgCl2

Q. No. 86 The atomic weight of Al is 27. When a current of 3 Faradays is passed through a
0071036 solution of Al+++ ions, the weight of Al deposited is
Option A 27
Option B 45
Option C 36
Option D 18

Q. No. 87
Which oxide of nitrogen is isoelectronic with CO2?
0071037
Option A NO2
Option B NO

Option C N2O

Option D N2O 2

Q. No. 88
Heating of pyrites in air for oxidation of sulphur is called
0071038
Option A Calcination
Option B Smelting
Option C Slagging
Option D Roasting

Q. No. 89
Colloidal solution of arsenious sulphide can be prepared by
0071039
Option A Double decomposition
Option B Electrodispersion method
Option C Peptization
Option D Hydrolysis

Q. No. 90
Diaspore and corundum are ores of
0071040
Option A Al and Si
Option B Al and Fe

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Option C Fe and Si
Option D Al

Q. No. 91
During electrolysis graphite is used as an electrode and not diamond because
0071041
Option A Graphite is cheaper
Option B Graphite is soft
Option C Graphite is non reactive
Option D Diamond does not posses free electrons while graphite posses free electrons

Q. No. 92
Laughing gas is prepared by heating
0071042
Option A NH4NO3

Option B (NH4)2SO4

Option C NH4Cl + NaNO4

Option D NH4Cl

Q. No. 93 When plants and animals decay, the organic Nitrogen is converted into inorganic
0071043 Nitrogen. The inorganic Nitrogen is the form of
Option A Ammonia
Option B Element of N
Option C Nitrates
Option D Nitrides

Q. No. 94
Catalyst used in the Haber process for the manufacture of NH3
0071044
Option A Fe + Mo
Option B Al2O3

Option C CuO
Option D Pt

Q. No. 95
Electronic configuration of Cr is
0071045

Option A [Ar] 3d4 4s1

Option B [Ar] 3d5 4s2
5 1
Option C [Ar] 3d 4s

Option D [Ar] 3d5 3s1

Q. No. 96
Which of the following does not considered as transition element
0071046
Option A Cd
Option B Pd

Page 16 of 17

Option C Mo
Option D Tc

Q. No. 97
Molten NaCl conducts electricity due to presence of
0071047
Option A Free molecules
Option B Free electrons
Option C Free ions
Option D Atoms

Q. No. 98 When manganese dioxide is fused with KOH in presence of oxidizing agent like KNO3
0071048 ______ will be obtained
Option A K2MnO4

Option B KMnO4

Option C Mn2O3

Option D Mn4O3

Q. No. 99
IUPAC name of [Ni(NH3)4] [NiCl4]
0071049
Option A Tetraammine nickel(II) - Tetrachloro nickelate(II)
Option B Tetraammine nickelate(II) - Tetrachloriodo nickel(II)
Option C Tetrachloriodo nickel(II) - Tetraammine nickel(II)
Option D Tetrachloriodo nickelate(II) - Tetraammine nickelate(II)

Q. No. 100
The number of unidentate ligands in the complex ion is called
0071050
Option A Oxidation number
Option B Coordination number
Option C EAN
Option D Primary valency

Page 17 of 17