The unit of inductance is equivalent to (A) A x s/v (B) V x s/A (C) V x A/s (D) V/A x s 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
In a common base transistor circuit, the current gain is 0.98. On changing the emitter current by 5.00 mA, the change in collector current is (A) 2.45 mA (B) 0.916 mA (C) 4.9 mA (D) 5.1 mA 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
In a Millikan’s oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is (A) 3.9 (B) 4.2 (C) 6 (D) 4 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
If the earth were to rotate faster, than its present speed the weight of an object will (A) Remain unchanged at the equator but increase at the poles (B) Decrease at the equator but remain unchanged at the poles (C) Increase at the equator but remain unchanged at the poles (D) Remain unchanged at the decrease but decrease at the poles 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will (A) Decreases (B) Remain the same (C) First A then B (D) Increas 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Steel is preferred for making springs over copper. Why? (A) Steel is less likely to be oxidized (B) Young’s modulus of steel is more than that of copper (C) Young’s modulus of copper is more than that of steel (D) Steel is cheaper 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
There are discrete energy levels in atoms. It was first experimentally demonstrated by (A) Marsden’s experiment (B) Rutherford’s experiment (C) Somerfield experiment (D) Franck Hertz experiment 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Two sources of sound are said to be coherent if (A) They produce sounds of equal intensity (B) They produce sound waves with zero or constant phase different all instant of time (C) They produce sounds of equal frequency (D) They produce sound waves vibrating with the same phase 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
The henry is the unit for (A) Magnetic field (B) Magnetic flux (C) Resistance (D) Inductance 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Ball pen function on the principle of (A) Viscosity (B) Boyle’s law (C) Surface tension (D) Gravitational force 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021