The masses of three wires of copper are in the ratio 1:3:5 and lengths
The masses of three wires of copper are in the ratio 1:3:5 and lengths are in the ratio 5:3:1. Then…
7 years ago
AFMC2007
Rutherford’s α-scattering experiment concludes that
Rutherford's α-scattering experiment concludes that Options (a) there is a heavy mass at centre (b) electrons are revolving around the…
7 years ago
Mass defect is known as
Mass defect is known as Options (a) ionisation energy (b) binding energy (c) packing fraction (d) activity Correct Answer: binding…
7 years ago
An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is
An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is Options (a) 210 V…
7 years ago
In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω,
In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω, then the value of…
7 years ago
A cricket ball of mass 250 g collides with a bat with velocity 10 m/s
A cricket ball of mass 250 g collides with a bat with velocity 10 m/s and returns with same velocity…
7 years ago
The length of second pendulum is 1 m on earth. If mass and diameter
The length of second pendulum is 1 m on earth. If mass and diameter of the planet is double than…
7 years ago
A hollow metal sphere of radius 10 cm is charged such that the potential on its surface
A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 80V. The…
7 years ago
A wire is suspended vertically from one of its ends is stretched by attaching a weight
A wire is suspended vertically from one of its ends is stretched by attaching a weight of 200 N to…
7 years ago
If a carnot engine is working with source temperature at 227⁰C and sink
If a carnot engine is working with source temperature at 227⁰C and sink temperature at 27⁰C, its efficiency will be…
7 years ago