One cannot see fog because (A) Light suffers total reflection at the droplet in a fog (B) The refractive index of fog is infinity (C) Fog absorbs light (D) Light is scattered by the droplet in fog 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
In an L-R circuit, time constant is that time in which current grows from zero to the value (A) Io (B) 0.37 Io (C) 0.63 Io (D) 0.50 Io 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
The sieman is the SI unit of (A) Conductance (B) Resistance (C) Specific Resistance (D) Inductance 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Bernoulli’s equation is based upon law of conservation (A) Momentum (B) Mass (C) None of these (D) Energy 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Which one of the following phenomena is not explained by Huygen’s construction of wavefront? (A) Origin of spectra (B) Diffraction (C) Refraction (D) Reflection 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
To explain his theory Bohr used (A) Conservation of quantum frequency (B) Conservation of angular momentum (C) Conservation of linear momentum (D) Conservation of energy 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
A couple produces (A) No motion (B) Purely linear motion (C) Linear and rotational motion (D) Purely rotational motion 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
Angular momentum is (A) Vector (axial) (B) Vector (polar) (C) Scalar (D) None of these 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is (A) 0.5 ohm (B) 5.0 ohm (C) Zero (D) 1.1 ohm 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021
A moving charge will gain energy due to the application of (A) Both of these (B) Magnetic field (C) Electric field (D) None of these 0 Physics MCQs Author: MCQs Master Report : If answer is wrong. July 31, 2021