Welcome to your EMCET Physics Practice Test-1
1. Which phenomenon occurs when a wave reaches a boundary between two media and bounces back into the original medium?
2. What is the SI unit of electric current?
3. Which law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another?
4. An object with a mass of 20 kg is moving with a velocity of 5 m/s. What is its momentum?
5. The rate of change of velocity is called:
6. The process by which a gas changes directly into a solid without passing through the liquid phase is called:
7. The resistance of an ideal conductor is directly proportional to its temperature. This statement is known as:
8. What phenomenon describes the bending of light when it passes from one medium to another?
9. Which of the following is not a fundamental particle of an atom?
10. In the context of electrical circuits, what does the term "AC" stand for?
11. The quantity of matter contained in an object is known as its:
12. An object weighs 50 N on the surface of the Earth. What would be its weight on the surface of the Moon? (Assume the acceleration due to gravity on the Moon is 1/6th of that on Earth)
13. The bending of a wave around an obstacle or through an opening is known as:
14. The change in velocity of an object over a certain time is defined as:
15. Which law of reflection states that the angle of incidence is equal to the angle of reflection?
16. The force that opposes the relative motion between two surfaces in contact is known as:
17. The process of a liquid changing into a vapor at the surface, even below its boiling point, is called:
18. Which of the following electromagnetic waves has the highest frequency?
19. The energy stored in a capacitor is given by the formula:
20. What is the SI unit of pressure?
21. Which type of wave does not require a medium to propagate through?
22. Which type of lens is used to correct nearsightedness?
23. The SI unit of electric charge is:
24. When a force is applied to an object, what physical quantity is measured by the product of force and displacement?
25. Which law of motion states that every action has an equal and opposite reaction?
