Plus Two Physics Onam Exam Mock Test
Please select the correct answer for each question below:
1. Which of the following is an example of a conservative force?
2. The electric potential at a point in space is defined as the:
3. In an RLC series circuit, resonance occurs when:
4. What is the de Broglie wavelength associated with a particle of mass m moving with velocity v?
5. Which principle is used in optical fibers to transmit light?
6. A transformer works on the principle of:
7. What is the function of a moderator in a nuclear reactor?
8. The minimum amount of energy required to remove an electron from the surface of a metal is called:
9. In an electromagnetic wave, the phase difference between the electric field and magnetic field is:
10. The focal length of a plane mirror is:
11. The acceleration due to gravity on the surface of a planet of radius R and density ρ is proportional to:
12. In a Young's double-slit experiment, the intensity of light at a point on the screen where the path difference is λ/4 is I. What is the intensity of light at a point where the path difference is λ/2?
13. A charged particle is moving through a magnetic field. The force acting on the particle will be maximum when the angle between the velocity and the magnetic field is:
14. The energy required to separate a nucleus into its constituent protons and neutrons is called:
15. The photoelectric effect demonstrates that light has:
16. A Carnot engine operates between 500 K and 300 K. The efficiency of the engine is:
17. The magnetic moment of a current loop is proportional to the:
18. A coil of wire with an inductance of 0.2 H and a resistance of 20 ohms is connected to an AC source of 200 V and 50 Hz. The peak current through the coil is:
19. The wavefront of light coming from a distant point source is:
20. When a monochromatic light beam passes from air into glass, what changes?
21. The velocity of sound in air at a given temperature is:
22. A capacitor of capacitance 10 μF is connected to a 100 V battery. The energy stored in the capacitor is:
23. A charged particle moves through a uniform magnetic field. Which of the following quantities remains constant?
24. The efficiency of a Carnot engine depends on:
25. Which of the following is not a unit of magnetic field?
26. In a series RLC circuit, at resonance, the impedance of the circuit is:
27. The power factor of an AC circuit is maximum when:
28. The electric field at a point due to an infinite line charge is proportional to:
29. In a photoelectric effect experiment, the stopping potential depends on:
30. A particle is moving in a circular path of radius r with constant speed. What is the nature of the acceleration of the particle?