When the length of a microscope tube increase, its magnifying power (A) Does not Change (B) Increases (C) Decreases (D) May increase or decrease depending on the observer and the place of observation 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
A voltmeter has resistance of 2000 ohms and it can measure up to 2V. If we want to increase its range to 10V then required resistance in series will be (A) 8000 ohm (B) 4000 ohm (C) 6000 ohm (D) 2000 ohm 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
A ten-ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts: (A) 1310 W (B) 810 W (C) 1210 W (D) 670 W 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field? (A) Li+ (B) He+ (C) Electron (D) Proton 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
The force between two charges 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become (A) 7.20 N (B) 11.25 N (C) 22.50 N (D) 45 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
The dimensional formula for the modulus of elasticity is same as that for: (A) Strain (B) Velocity (C) Surface tension (D) Stress 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Light appears to travel in straight lines since (A) Its wavelength is very small (B) It is not absorbed by the atmosphere (C) Its velocity is very large (D) It is reflected by the atmosphere 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Huygen’s wave theory of light cannot explain (A) Diffraction (B) Polarization (C) Interference (D) Photoelectric effect 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Which of the modulus of elasticity is involved in compression a rod to decrease its length? (A)Modulus of rigidity (B) Young’s modulus (C) Bulk modulus (D) None of the above 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Knot is a unit of _________? (A)Speed (B) Distance (C) Depth (D) Accelration 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021