Name of the Organization : Haryana Public Service Commission
Name of the Exam : HCS Preliminary Examination
Subject : Physics
Document Type : Previous Question Paper
Year : 2014
Website : http://hpsc.gov.in/en-us/
Download Sample/Model Question Paper : https://www.pdfquestion.in/uploads/11253-Physics.pdf
HCS Preliminary Exam Physics Question Paper :
Code : 14
Time Allowed : Two Hours
Marks: 100
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Related : HPSC HCS Preliminary Exam Mechanical Engineering Question Paper : www.pdfquestion.in/11250.html
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1. Which of the following implices the greatest precision?
(A) l0.l
(B) 10.10
(C) 10.100
(D) 10.1000
2. Which of the following is NOT one of the fundamental quantities in physics?
(A) time
(B) length
(C) Weight
(D) Mass
3. SI unit of the power of a lens is
(A) diopter
(B) horse power
(C) meter
(D) watt
4. In physics a radians per second is a unit of
(A) angular displacement
(B) angular velocity
(C) angular acceleration
(D) angular momentum.
5. A body of mass m moving with velocity u collides with a stationary body,of mass 2m and coalesce to from one body. The speed of the system after collision is
(A)3u
(B) u/3
(C) 2u
(D) u/4
6. For an object moving in uniform circular motion with constant speed. the direction of The instantaneous acceleration vector is
(A) tangent to the path of motion
(B) equal to zero
(c) directed radially outward
(D) directed radially , inward
7. The acceleration due to gravity on the moon is 1.6 meters per second square. On the moon. the time period of a pendulum whose length is 6.4 meters will be
(A) n seconds
(B) 2n seconds
(Cl) 4 seconds
(D) 22/7 seconds
8. Bernoulli’s Principle is a statement of
(A)energy conservation in dynamic fluids.
(B) momentum conservation in dynamic fluids.
(C) hydro static equilibrium.
(D) thermal equilibrium in fluids.
9. In any collision, the parameter which is conserved is
(A) kinetic energy
(B) angular Momentum
(C) linear Momentum
(D) potential energy
10. The work done by any friction force is
(A) always positive
(B) always negative
(C) always zero
(D) either positive or negative depending upon the situation
11. The velocity of a body depends on trier as V=20+0.1 The body is under going
(A) Uniform Acceleration
(B) Uniform retardation
(A) Non Uniform Acceleration
(A) Non Uniform retardation
Q.l2.ln any collision, the parameter which is conserved is
(A) kinetic energy
(B) angular Momentum
(C) linear Momentum
(D) potential energy
Q.13. The work done by any friction force is:
(A) always positive
(B) always negative
(C) always zero
(D) either positive or negative depending upon the situation
Q.14. A person moves 3m towards East and then 4m towards North. The resultant displacement from the initial position to final position is
(A) 7m
(A) 5m
(C) 4m
(A) 1m
15. Two physical quantities having the same dimensions are
(A) force and energy
(B) work aud torque
(C) pressure and power
(D) impulse and momentum