Karnataka 1st PUC Mid Term Question Paper 2026 Physics

FOR KARNATAKA 1ST PUC EXAM PREPARATION

Karnataka 1st PUC
2026
Mid Term Question
Paper · Physics
EXAM YEAR TYPE SUBJECT

Karnataka 1st PUC 2026 Mid Term Question Paper Physics

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IPUC MID TERM EXAMINATION -2026
Time: 3.00 hours PHYSICS (33) Max Marks : 70
General Instructions:
1) All parts (A TO D) are compulsory.
2) For Part - A questions, only firstwritten-answer will be considered for
evaluation.
m diagram/figure / circuit wherever necessary will not
3) Answers withoutcorelevant . c
m
e m.
Carry any marks.
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4) Direct answers
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solutions will not carry any marks.
PART-A
I. Pick the correct option among the four given options for ALL of the following
questions
15x1=15
1) The SI unit of plane angle is

om
(a) radian (b) degree (c) steradian (d) radian/metre
.c ground, it will take t time to each
2) When a body thrown vertically upward from
its highest point. Then the time takenem
point is
l a s
to return to the ground from the highest
(a) 2t (b) ť a g (c) t
3) Two vectors are said to be equal if they have
(a) only sąme magnitude (b) same magnitude and perpendicular
(c) only in same direction (d) same magnitude and same direction
4) The resultant of two vectors acting at apoint is maximum if they are
(a) in same direction
m
(b) perpendicular to each other
m
(c) making an angle 120 with each other
.co
c. o(d) opposite to each other se
m
s em
5) Statement i: Vectors addition is not commutative.
g l a
la Statement
addition.
ii: Two vectors may be added graphically a
using triangle law of vector
(a) Both the statements are true and statement iiis the correct explanation
for statement i.
(b) Both the statements are true but statement two is not correct
explanation for statement i.
(c) Statement iis false but statement ii is true.
(d) Both the statements are false.
6) The spring force is given bym
co
(b) .F-kx s e
m a
(a) F=kx
se
(c) F=-kx
gl
(d) F=- k/x.
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7) Rocket propulsion works on the principle of conservation of:
-(a) Mass (b) Linear momentum
(c) Energy (d) Conservation of angular momentum
8) Which one of the following statements is incorrect?
(a) Frictional force opposes the relative motion.
(b) Limiting value of static friction is directly proportional to normal reaction.
(c) Rolling friction is smaller than sliding friction
(d) Coefficient of sliding friction has dimensions of length.
9) For unit vectors T, , K
(a) f• f=j• j= k• k=1 (b) f•[=f f= k. K= 0
(c) Both (a) and (b) (d)ff=f• k= k •i=1
10) Some regular objects are listed in column 1 and their moments of inertia are
listed in column 2. Identify the correct match

Column-1 Column-2
Thin circular ring of radius R, axis MR/2
perpendicular to plane at centre
ii Circular disk of radius R, axis along b MR
the diameter
iii Thin circular ring of radius R, axis MR'/4
along the diameter
(a) i- a, ii-b, ii –c (b) i-c, ii–b, ii -:
(c) i– b, ii - c, iii - a (d) i- c, ii-a, iii–b
11)A pair of equal and opposite forces with different lines of action produces
(a)rotation without translation (b) translation without rotation
(c) both translation nor rotation (d) Neither translation nor rotation
12) The SI unit of universal gravitational constant (G) is:
(a) N m²kg? (b) N m'kg! (c) N m kg (d) Nmkg
13) A satellite is orbiting in an orbit of radius RE + h, its kinetic energy is K, potential
energy is Uand total energy is E. Choose the correct relation
(a) E= K (b) U= 2E (c) U=2K (d) U= K
14) The stress that changes the volume ofthe object without changing its shape is:
(a)compressive stress (b)tensile stress
(c) shear stress (d) hydraulicstress
15) According to the principle of fluid pressure at rest under gravity, the increase in
pressure at a point within a static fluid is directly proportional to the
(a) Volume of the fluid container
(b) Surface area of the fluid
(c) Depth below the fluid surface
(d) Total mass of the fluid in the container

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co m .
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II. Fill in the blanks 5x1=5
(moment of inertia, velocity, Young's modulus, Compressibility, power,
acceleration)
16) Theslope of position-timne graph of a body in uniform motion gives
17) The rate of doing work is called

o m of mass in linear motion is
18) The rotational analogue . co
.clongitudinal stress and longitudinal strain is called e m
em
19) The ratio between
l a s
as of bulk modulus is called
l
20) The reciprocal
g ag
a
PART-B
III. Answer any FIVE of the following questions 5x2=10
21) A body moving in one dimension with an initial velocity of 8 ms has a uniform
acceleration of l m s. Determine its velocity after 30 s.
22) Write the expression for centripetal acceleration and explain the terms.
o m
c
.a force is maximum and minimum?
23) What is banking of roads? Why banking is necessary for a curved road?
24) Under what conditions the work done by m
e scalar product of two vectors.
a s
26) State and explain Newton's lawagofl gravitation.
25) Distinguish between vector product and

27) Define orbital speed of a satellitearound the earth. Write the expression for it.
28) State and explain Hooke'slaw.
PART-C
IV.Answer any FIVEof the following questions 5x3=15
29) Derive the expression for the time period of a simple pendulum, which depends
o manalysis.
m the expression v =Vo t at, using velocity-time graph. m. c
on its length (l) and acceleration due to gravity (g), using dimensional
o
30) cDerive
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a
e
s in positive direction with positiveacceleration
31) What is Position - Time graph? Draw a
g
position-time la a body moving
graph for
g 32) What is time of flight? Write the expression for timeaof flight of a projectile
l
motion and explain terms.
33) Show that the impulse of a force is equal to the change in momentum produced
in the body.
34) Distinguish between conservative and non-conservative forces with an example
for each.

o m motion. m
c
35) State Kepler's laws of planetary
. gauge pressure inside a static fluid.
36) Derive an expressionmfor s e
se
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PART-D
V. Answer any THREE theoryquestions 3×5=15
37) What is a projectile? Show that the path traced by the projectile is aparabola
38) State Newton's second law motion. Arive at an expression for force acting on a
particle of mass m producing in it an acceleration a.
39) Show that the total mechanical energy of a freely falling body under gravity 1s
conserved.
40) Define torque. Show that torque is equal to rate of change of angular
momentum of a particle.
41) of
Derive the expression for acceleration due to gravity at apoint above the surface
the earth
VI. Answer any TWOnumerical questions 2x5=10
42) A footballplayer kicks a ball at an angle of 60 to the horizontal with an initial
speed of 50 ms, Calculate (A) maximum height and (B) horizontal range
reached by the ball.
43) A bullet of mass 50 gram moving with a speed of 70 ms enters a heavy wooden
and is stopped after a distance of 0.8 m. What is the average resistive force
exerted by the block on the bullet?
44) An electric crane at a construction site lifts a pallet of building materials with a
mass of 30,000 kg up to the top floor of a building. The lift takes exactly 15
minutes to complete. If the top floor is 50 meters above the ground and the
crane's motor operates at an efficiency of 40%, how much electrical power is
consumed by the crane?"
45) The angular speed of a motor wheel is increased from 6000 rpm to 18000 rpm in
20 seconds. (i) What is its angular acceleration, assuming the acceleration to be
uniform? (ii) How many revolutions does the engine make during this time?

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