Static GK is an important segment in the general awareness section of JK SI exam. In order to ace this exam, one needs to have good knowledge of general science. To make your preparation easier, we bring to you Jammu & Kashmir Sub-Inspector Science E-book where you can find some important Science Questions for Jammu & Kashmir SI exam e-book in Hindi & English.

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PHYSICS

1. An object will continue to accelerate until the resultant force:
A. Becomes zero
B. Is increased continuously
C. Begins to decrease
D. Changes the direction of velocity
2. What is the momentum of an object of mass m, moving with a velocity v?
A. (mv)2
B. mv2
C. ½ mv2
D. mv
3. According to second law of motion “the rate of change of momentum is directly proportional to
……………… applied”
A. Pressure
B. Force
C. Acceleration
D. Torque
4. Rocket works on the principle of conservation of:
A. Mass
B. Energy
C. Momentum
D. Velocity
5. The inertia of an object tends to cause the object:
A. to increase its speed
B. to decrease its speed
C. to resist any change in its state of motion
D. to decelerate due to friction
Answer: C – to resist any change in its state of motion
6. According to the third law of motion, action and reaction:
A.always act on the same body
B. always act on different bodies in opposite directions
C. have same magnitude and directions
D. act on either body at normal to each other
Answer: B. always act on different bodies in opposite directions
7. When a body falls freely towards the earth, then its total energy
A. increases
B. decreases
C. remains constant
D. first increases and then decreases
8. Which one of the following is not the unit of energy?
A. joule
B. newton metre
C. kilowatt
D. kilowatt hour
9. The work done on an object does not depend upon the
A. displacement
B. force applied
C. angle between force and displacement
D. initial velocity of the object
Answer: D- initial velocity of the object
10. Water stored in a dam possesses:
A. no energy
B. electrical energy
C. kinetic energy
D. potential energy