Light is emitted when
Light is emitted when Options (a) Electron make an transition from higher orbit to lower orbit (b) Electron make an…
7 years ago
BHU2007
For a diatomic gas charge in internal energy for unit charge in temperature for
For a diatomic gas charge in internal energy for unit charge in temperature for constant pressure and constant volume is…
7 years ago
A uniform chain of length L and mass m is kept on a smooth table. It is released
A uniform chain of length L and mass m is kept on a smooth table. It is released from rest…
7 years ago
A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds. The velocity…
7 years ago
A neutron is moving with a velocity u.It collides head on and elastically with an atom
A neutron is moving with a velocity u.It collides head on and elastically with an atom of mass number A.…
7 years ago
Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube. The K-shell electrons of tungsten…
7 years ago
The respective speeds of the molecules are 1,2,3,4 and 5 km/s.
The respective speeds of the molecules are 1,2,3,4 and 5 km/s. The ratio of their r.m.s. velocity and the average…
7 years ago
A satellite A of mass m is at a distance r from the centre of earth. Another satellite
A satellite A of mass m is at a distance r from the centre of earth. Another satellite B of…
7 years ago
When a mass M is attached to the spring of force constant k,
When a mass M is attached to the spring of force constant k, then the spring stretches by l. If…
7 years ago
A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support. A block of…
7 years ago