Physics Quiz 23 (25 MCQs)

Quiz Instructions:

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1. What is the independent variable in an experiment?

2. When a car is running along a rough road, what force really is causing it to run forward?

3. A toy car is rolling down a ramp. What force(s) between the tires and the ramp tend(s) to oppose the toy car's motion?

4. Solar eclipse will take place when

5. All movement is compared with a

6. Energy is the ability _____

7. The mathematical relationship among Voltage, Current, and Resistance

8. If the density of a substance is 8 g/mL, what volume would 40 g of the substance occupy?

9. What do all the types of radiation have in common?

10. In a concave mirror, the size of the image depends upon

11. The formula for work is

12. Stars appears to move from east to west because

13. Gas law was given by

14. If 2 mL of liquid weighs 4 g, its density is _____

15. When a mass of 25 g is attached to a certain spring, it makes 20 complete vibrations in 4.0 s. What is the spring constant of the spring?

16. Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to

17. Equal forces acting on an object in opposite directions

18. What happens to the light ray if it strikes a plane mirror?

19. Which of the following affects the motion of a projectile launched horizontally?

20. Which one of the following cannot be polarized?

21. What is the right unit of acceleration?

22. The amount of heat transferred to a system can be measured in

23. The amount of charge carried by a lightning bolt is estimated at 10 Coulombs. What quantity of excess electrons is carried by the lightning bolt?

24. Mirage is due to

25. If two traveling light waves are "180$^ \circ$ " out of phase, then the interaction between them is