MH 12th Question Paper June 2026 Physics

FOR MAHARASHTRA BOARD (MSBSHSE) CLASS 12 EXAM PREPARATION

Maharashtra Board
(MSBSHSE) Class 12
2026
June Session Question
Paper · Physics
EXAM YEAR

Maharashtra Board (MSBSHSE) Class 12 2026
TYPE SUBJECT

June Session Question Paper Physics

Notes · Sample Papers · Previous Year Papers · Mock Tests

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Page No. 1/7 Subject Code J-229 a

Page No. 1/7 Subject Code J-229 Seat No.

DATE : 19/06/2026 E
SUBJECT : PHYSICS (54)
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Time : 11.00 - 2.00

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DURATION : 3 Hours. c s e
e m TOTAL PAGES : 7 TOTAL MARKS : 70
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General Instructions :
a paper is divided into four sections :
The question
(i) Section A : Q. No. 1 contains Ten multiple choice type of questions carrying
One mark each.
Q. No. 2 contains Eight very short answer type of questions
carrying One mark each.

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(ii) Section B : Q. No. 3 to Q. No. 14 contain Twelve short answer type of

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questions carrying Two marks each. (Attempt any Eight).
(iii) Section C :
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Q. No. 15 to Q. No. 26 contain Twelve short answer type of

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questions carryinglaThree marks each. (Attempt any Eight).
(iv) Section D : Q. No. 27 to Q.aNo. 31 contain Five long answer type of questions
carrying Four marks each.(Attempt any Three).
(v) Use of the log table is allowed. Use of the calculator is NOT allowed.
(vi) Figures to the right indicate full marks.
(vii) For multiple choice type of questions, only the first attempt will be considered

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for evaluation.

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(viii) Physical constants : –
c. o (1) Velocity of light in air 3 108 m / s m.co
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s e (2) Planck’s constant 6.63 10 34 Js
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(3) 3.142
(4) 0 4 10 7 Wb / Am
(5) 1 eV 1.6 10 19 J
(6) 0 8.85 10 12 C2 / Nm2
(7) Rydberg’s constant 1.097 107 per meter.

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Page No. 2/7 Subject Code J-229
SECTION – A
Q. 1. Select and write the correct answers for the following 10
multiple choice type of questions :

(i) The MI of ring of radius ‘R ’ and mass ‘M ’ about its central axis
is _____

2 MR 2
(a) 2 MR (b)
2
3
(c) MR 2 (d) MR 2
2

(ii) For a monoatomic gas enclosed in a container at a constant
temperature has degrees of freedom
(a) 5 (b) 3
(c) 7 (d) 4

(iii) The equation of the first law of thermodynamics for isochoric
process is
(a) Q U (b) Q 0
(c) Q U W (d) Q U W

(iv) Cyclotron can not accelerate _____
(a) protons (b) -particles
(c) neutrons (d) deuterons

(v) In a purely inductive and capacitive circuit, power factor is, _____
(a) one (b) zero
(c) infinity (d) 10

(vi) The Boolean equation for NOR gate is
(a) Y A B (b) Y A B
(c) Y A (d) Y A B

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Page No. 3/7 Subject Code J-229 a

(vii) When n number of capacitors having each of capacity ‘C ’ are
connected in series, their equivalent capacity is
1
(a) (b) nC
C
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C 1
(c)
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n nC
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(viii) A polarising
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angle for an optical material is 35º. Then refractive
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index of the material is
(b) 0.7002
(c) 0.7265 (d) 0.7133

(ix) For a streamline flow, the relative velocity between the two liquid
layers is 10 cm/s. The distance between them is 5 cm. The velocity
gradient is
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(a) 3 S–1 (b)
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5 S–1
(c) 4 S–1
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(d)

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(x) The wavelength of
a
0.75 m with frequency of 64 Hz. Then, the velocity of wave is
(a) 48 m/s (b) 50 m/s
(c) 64 m/s (d) 60 m/s

Q. 2. Answer the following questions : 8

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(i) Absorption of ink by a blotting paper is an example of which
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(ii)

ag (iii) Define ‘photoelectric work function.’

(iv) Which series of spectral lines belongs to the ultraviolet region of
the hydrogen spectrum?

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Page No. 4/7 Subject Code J-229
(v) Which semiconductor device converts solar energy into electrical
energy?

(vi) Define the term wavefront.

(vii) A motorcyclist performs horizontal circular motion inside a well
of inner radius 3 m. Calculate the minimum speed to perform
the stunt if coefficient of static friction is 0.3.
[ g = 10 m/s2 ].

(viii) Calculate the maximum velocity of a particle having amplitude
of oscillation 4 cm and period 4 seconds.

SECTION – B
Attempt any EIGHT questions from the following : 16

Q. 3. Obtain an expression for the maximum speed of a vehicle along
horizontal circular curved road.

Q. 4. For a thermodynamic system :

Define : (a) Mechanical equilibrium
(b) Chemical equilibrium

Q. 5. What are polar molecules and non polar molecules?

Q. 6. Explain how will you convert moving coil galvanometer into voltmeter?

Q. 7. Distinguish between free and forced vibrations.

Q. 8. State any two postulates of Bohr’s theory of hydrogen atom.

Q. 9. Explain the cyclic process with the help of a neat p –V diagram.

Q. 10. A star is emitting light at the wavelength of 4000Å. Determine the limit
of angular resolution of a telescope having an objective of diameter of
400 cm.

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Page No. 5/7 Subject Code J-229 a

Q. 11. Calculate the value of max for solar radiation assuming the
temperature on the surface of the sun is 5800 K.
[ Wien’s constant = 2.897 × 10–3 m.k. ]

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Q. 12. Calculate the radius of water drop, so that the excess pressure inside it
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is 24 N/m2.
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[ Surface tension of water = 7.2 × 10–2 N/m ]

Q. 13. g
a susceptibility of magnetic material is at 27ºC. At what temperature
The
its susceptibility will be /3 ?

Q. 14. An alternating voltage source given by e = 140 sin (314.2 t ) is connected
across a pure resistor of 50 . Determine :
(i) Frequency of the source.

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(ii) RMS value of emf.

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SECTION
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a
Attempt any EIGHT questions of the following : 24

Q. 15. State and prove perpendicular axes theorem.

Q. 16. On the basis of molecular theory, explain the phenomenon of surface
tension.

Show that all harmonics are present in the case of an air column vibrating
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Q. 17.
m in a pipe open at both the ends.
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s eQ.m18. What is interference of light? State any four conditionsafor obtaining
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Q. 19. With the help of a neat circuit diagram, explain the working of a half
wave rectifier. Draw input and output waveforms.

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Page No. 6/7 Subject Code J-229
Q. 20. Obtain an expression for orbital magnetic moment of an electron
revolving around the nucleus of an atom.

Q. 21. Define the terms :
(a) Inductive reactance
(b) Capacitive reactance
(c) Impedance

Q. 22. A parallel plate capacitor filled with air has an area 6 cm2 and the plate
separation is 2 mm. Calculate its capacity.

Q. 23. Two resistances X and Y in the two gaps of a meterbridge give a null
point dividing the wire in the ratio 4 : 6. If both resistances are increased
by 30 , the null point divides the wire in the ratio 5 : 6. Calculate the
value of X and Y.

Q. 24. Calculate the shortest wavelength of Paschen series and the longest
wavelength of Balmer series for hydrogen atom.

Q. 25. Calculate the current flowing through two long parallel wires carrying
equal currents and separated by a distance of 1.35 cm experiencing a
force per unit length of 4.76 × 10–2 N/m.

Q. 26. An emf of 90 mV is induced in the winding of a coil, when current in a
nearby coil is increasing at the rate of 4.5 A/s. What is the mutual
inductance of the two coils?

SECTION – D
Attempt any THREE questions of the following : 12

Q. 27. Derive an expression for pressure exerted by a gas on the basis of kinetic
theory of gases.

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Page No. 7/7 Subject Code J-229 a

Q. 28. State differential equation of linear S.H.M. hence obtain an expression
for acceleration, velocity and displacement of a particle performing S.H.M.

Q. 29. With the help of neat diagram explain construction of a transformer.
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Calculate energy required to build up current of 1A in an inductor of
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inductance 20 mH.
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Q. 30. Draw a neat schematic diagram of a photo cell.
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a photoelectric work function for a metal is 4.2 eV. Find threshold
The
wavelength.

Q. 31. Obtain an expression for magnetic induction of a toroid of N no. of turns
about an axis passing through its centre and perpendicular to plane.

A Carnot refrigerator operates between 150 K and 200 K, calculate its
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coefficient of performance.
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