Physics Question for SSC CHSL and RRB NTPC

Q1. The clouds float in the atmosphere because of their low
(a) temperature 
(b) velocity
(c) pressure 
(d) density

Q2. Sound cannot travel though
(a) solids 
(b) liquids
(c) gases 
(d) vacuum


Q3. Noise and music differ in their
(a) quality 
(b) tone
(c) note 
(d) pitch


Q4. If a body is charged by rubbing it, its weight
(a) remains precisely constant
(b) increases slightly
(c) decreases slightly
(d) may increase slightly or may decrease slightly


Q5. At the time of short circuit, the current in the circuit
(a) vary continuously
(b) increases heavily
(c) decreases substantially
(d) does not change


Q6. A vibrating body
(a) will always produce sound
(b) may or may not produce sound if the amplitude of vibration is low
(c) will produce sound which depends upon frequency
(d) None of these


Q7. The special technique used in ships to calculate the depth of ocean beds is
(a) LASER 
(b) SONAR
(c) sonic boom 
(d) reverberation


Q8. When the distance between the object and the plane mirror increases
(a) the image will changed
(b) the size of the image will become less than the size of the object
(c) the distance between the image and the plane mirror increases
(d) the distance between the image and the plane mirror decreases


Q9. Butter paper is an example of …………. object.
(a) a transparent 
(b) a translucent
(c) an opaque 
(d) a luminous


Q10. When a ship floats on water
(a) it displaces no water
(b) the mass of water displaced is equal to the mass of the ship
(c) the mass of water displaced is lesser than the mass of the ship
(d) the mass of water displaced is greater than the mass of the ship


Q11. A long jumper runs before jumping because he
(a) covers a greater distance
(b) maintains momentum conservation
(c) gains energy by running
(d) gains momentum


Q12. A book is kept on the surface of a table. If the gravitational pull of the earth on the book is the force of action, then the force of reaction is exerted by
(a) the book on the table
(b) the book on the earth
(c) the table on the book
(d) the table on the earth


Q13. A body is thrown vertically upwards and then falls back on the ground. Its potential energy is maximum
(a) on the ground
(b) at the maximum height
(c) during the return journey
(d) both on the ground and at the maximum height


Q14. A jet engine works on the principle of conservation of
(a) linear momentum 
(b) angular momentum
(c) energy 
(d) mass


Q15. One feels heavier in a lift when the lift
(a) is going down steadily
(b) just begins to go up
(c) is moving up steadily
(d) descends freely








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