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Physics Quiz 31 (25 MCQs)

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1. It is a stored energy in an object that can be transformed into kinetic energy.
2. The x-component, which is usually the horizontal component of a vector and is adjacent to the angle given, is always related to what trigonometric function?
3. Acceleration is negative if speed is
4. Dimensional formula of density is
5. With an increase in pressure the melting point of max will
6. When light travelling in a certain medium falls on the surface of another medium, a part of it turns back in the same medium. This phenomenon is called
7. Isotopes of an element contain
8. Which one is the closest approximate of the speed of gamma ray in air?
9. How many centimeters in one meter?
10. Light from the Sun reaches us in nearly
11. A student is taking some measurements. Which measurement is taken directly using a micrometer screw gauge?
12. Kicking a football is an example of which law of motion?
13. You push a 10 kg cart and it accelerates at 2 m/s2. What force did you push with?
14. A 9 kg blob moving at 5 m/s collides and sticks to a second blob with a mass of 5 kg. If the two bobs stick together, what will the velocity of the two blobs move at?
15. In a thermally isolated system, the amount of heat lost is _____ the amount of heat gained.
16. What is the rotational kinetic energy of the cylinder at t = 2 s?
17. Rainbow is due to
18. Which of the following is an example of a velocity?
19. What is the SI, base unit for capacitance
20. A small bottle has a mass of 20 g when empty. The volume of the bottle is 10 cm3 . When full of liquid, the total mass is 150 g. What is the density of the liquid?
21. Sound of frequency below 20 Hz is called
22. Which of the following describes projectile motion?
23. What would happen to Earth's orbit if the Sun collapsed to a black hole?
24. The greater the mass of a substance, _____
25. What relationship exists between the specific heat and the amount of heat transferred?
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