A heavy nucleus at rest breaks into two fragments which fly off with velocities
A heavy nucleus at rest breaks into two fragments which fly off with velocities in the ratio 8:1. The ratio…
A heavy nucleus at rest breaks into two fragments which fly off with velocities in the ratio 8:1. The ratio…
A choke is preferred to a resistance for limiting current in AC circuit because Options (a) Choke is cheap (b)…
A generator at a utility company produces 100 A of current at 4000 V. The voltage is stepped up to…
The dimensional formula for Young's modulus is Options (a) [ML⁻¹T⁻²] (b) [M⁰LT⁻²] (c) [MLT⁻²] (d) [ML²T⁻²] Correct Answer: [ML⁻¹T⁻²] Explanation:…
The heat dissipated in a resistance can be obtained by measuring of resistance, the current and time. The maximum error…
A uniform chain of length L and mass m is kept on a smooth table. It is released from rest…
A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.…
A sound source is moving towards a stationary listener with 1/10th of the speed of sound. The ratio of apparent…
If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s, then the…
The parallel beams of monochromatic light of wavelength 4.5 x10⁻⁷ m passes through a long slit with width 0.2x10⁻³ m.…