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Physics Quiz 25 (25 MCQs)

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1. It is any number that is used to describe physical phenomenon quantitatively.
2. What happens when two polarizing filters are placed so that their axes of polarization are perpendicular to each other?
3. Which of the statements is NOT correct about pressure?
4. Fire in the diesel engine is produces by which of the following? .
5. How many cubic centimeters are there in a cubic meter?
6. The smallest marked division in the measuring instrument
7. The mass of an object is measured on Earth. The mass is 5.0kg. The object is taken to the Moon. The mass of the object is measured on the Moon. What is the mass of the object on the Moon?
8. The critical angle of water when the refracted angle is 900 and refractive index of water and air is 1.33 and is
9. A closed loop through which charges can continuously move.
10. Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings. "
11. One should not connect a number of electrical appliances to the same power socket because
12. Heat is simply another word for
13. When the physical quantity is formulated based from the fundamental quantities, what is it called?
14. A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops?
15. An object is moving with uniform deceleration. Which statement describes its motion?
16. Which of these provides the best analogy for what massive objects do to spacetime?
17. Hyperopia (Farsightedness) is common vision defect where
18. Express each of the following to 3 s.f:48938
19. It is the measure of the dielectric material's ability to establish an electric field
20. When scientists refer to experimental errors, they are not referring to what are commonly called mistakes, blunders, or miscalculations. Sometimes also referred to as the following except
21. Light from the laser is_____
22. What electromagnetic wave has the longest wavelengths and lowest frequencies?
23. The weight of a body is_____
24. All planets move around the sun in elliptical orbits, with the sun being at rest at one focus of the orbit.
25. Which unit of length would be best to measure the distance between 2 cities?
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