Physics: Misc
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Physics: Misc
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12 Questions

1. A solid cube just gets completely immersed in water when a 0.2 kg mass is placed on it. If the mass is removed, the cube is 2 cm above the water level. What is the length of each side of the cube? [CSE (Pre) 2002]
2. Assertion (A) The boiling point of water decreases as the altitude increases. Reason (R) The atmospheric pressure increases with altitude. [CSE (Pre) 2001] Codes
3. An oil tanker is partially filled with oil and moves forward on a level road with uniform acceleration. The free surface of oil then [CSE (Pre) 2003]
4. Assertion (A) The weight of a body decreases with the increase of altitude on Earth. Reason (R) The Earth is not a perfect sphere. [CSE (Pre) 2003] Codes
5. Assertion (A) A man standing on a completely frictionless surface can propel himself by whistling. Reason (R) If no external force acts on a system, its momentum cannot change. [CSE (Pre) 2000] Codes
6. A car is moving on a road at a uniform speed of 60 km/h. The net resultant force on the car is [CSE (Pre) 2004]
7. A person is sitting in a car which is at rest. The reaction from the road at each of the four wheels of the car is R. When the car runs on a straight level road, how will the reaction at either of the front wheels vary? [CSE (Pre) 2008]
8. The mass of a body on Earth is 100 kg (acceleration) due to gravity, ge = 10 m/s2. If acceleration due to gravity on the Moon is ge/6, then the mass of the body on the Moon is [CSE (Pre) 2001]
9. The known forces of nature can be divided into four classes, viz, gravity, electromagnetism, weak nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct? [CSE (Pre) 2013]
10. Consider the following statements A 4-wheel vehicle moving in a sharp circular path at high speed will [CSE (Pre) 2003. 1. Overturn about its outer wheel. 2. Overturn about its inner wheel. 3. Skid outward. 4. Skid inwards Which of these statements are correct?
11. If the radius of the Earth were to shrink by 1 per cent, its mass remaining the same, the value of g on the Earth's surface would [CSE (Pre) 2003]
12. A weightless rubber balloon is filled with 200 cc of water. Its weight in water is equal to [CSE (Pre) 2004]