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Physics Quiz 13 (25 MCQs)

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1. In the noon the shadow will be?
2. Which of the following components is constant under projectile motion?
3. Express 23400 in proper scientific notation.
4. What is the SI unit of measurement for force?
5. The equation for Ohm's Law is
6. The distance between two charges doubles at the same time that the charge on each also doubles. What happens to the electric force?
7. What electromagnetic wave . has . the shortest wavelengths and the highest frequencies?
8. An ice crystal falls vertically from a cloud. What happens to the acceleration of the ice crystal as it falls?
9. The angle of incidence of a light ray that strikes a mirror is 40 degrees. What will be its angle of reflection?
10. At what temperature will the density of water be maximum?
11. Clocks closer to a gravitational source run _____
12. What is the number of wavefronts per second that pass a fixed point?
13. What is the net force? 100 N 230 N< _____ $\rightarrow$
14. If x =-2 and y = 5, then 3x2y =
15. What year did Einstein complete General Relativity?
16. Physical quantities derived from base quantities through multiplication, division or a combination of both operations are
17. If doubling the voltage across a resistor doubles the current through the resistor, then
18. Chinese ophthalmologist _____ who had first shared suspicion of a Sars-like illness spreading in Wuhan, died after he was infected by the coronavirus.
19. Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from
20. How could we describe the relationship between force and extension for an object that shows elastic deformation?
21. What material is a resistor made of?
22. A measure of the resistance of a fluid or the fluid's internal resistance to flow is
23. The measure of the rate of the flow of charge (Q) through a circuit in a unit of time (t).
24. What will be the units of F (or Fe)?
25. What is polarized light?
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