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Physics Quiz 38 (25 MCQs)

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1. If the fluid pressure is 800 psi in a 1/2 inch line supplying an actuating cylinder with a piston aren of 10 square inches, the force exerted on the piston will be

2. The light is focused by the lens system of the eye into an inverted image at the photosensitive _____

3. If we have two resistors ( $ R_1$ = 20 $ \Omega$, $ R_2$ = 40 $ \Omega$ ) connected in series, then $ R_{eq}$ in ( $ \Omega$ ) is

4. It is the unit of capacitance.

5. What is a way to reduce friction?

6. What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it?

7. Which of the following is an absolute?

8. Which law is also called law of inertia?

9. What is the limit of proportionality?

10. It is made up of a number and unit.

11. Against the sheet, the egg did not break because the sheet applied a small force over?

12. Which among the following order of decreasing wavelengths of electromagnetic waves is correct? I. Radio waves II. Infrared rays III. Visible Light IV. X-Rays

13. What is the area under a acceleration-time graph equal to?

14. A(n) _____ bond forms between a metal and a non-metal.

15. A device that can store electric charge, and normally consists of two conducting objects placed near each other but not touching.

16. What happens to the force between two charged objects when you triple the magnitude of both charges?

17. Calculate kinetic energy of 0.25mol of He at 127degress celcius (R= 8.31)

18. Weight is an example of which quantity?

19. Aspect ratio of a wing is defined as the ratio of the

20. What term refers to any object upon which the only force acting is gravity?

21. The rapid transfer of _____ energy is the cause of injuries in a car collision.

22. Which of the following makes momentum a vector quantity?

23. The kind of image formed by all convex mirrors is

24. Resolve vector L into components Lx and Ly if the length of vector L is 15 m and its reference angle is 200.

25. Inside an aeroplane, flying at a high altitude,

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Physics Quiz 38 (25 MCQs)

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