The root mean square speed of oxygen molecule (O₂) at a certain temperature is v.
The root mean square speed of oxygen molecule (O₂) at a certain temperature is v. If the temperature is doubled…
7 years ago
DCE2006
A cockroach is moving with a velocity v in anticlockwise direction on the rim
A cockroach is moving with a velocity v in anticlockwise direction on the rim of a radius R of mass…
7 years ago
A tuning fork frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second
A tuning fork frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second are heard. The…
7 years ago
An artificial satellite is revolving round the earth in a circular orbit. Its velocity
An artificial satellite is revolving round the earth in a circular orbit. Its velocity is half the escape velocity. Its…
7 years ago
Two solid discs of radii r and 2r roll from the top of an inclined plane
Two solid discs of radii r and 2r roll from the top of an inclined plane without slipping. Then Options…
7 years ago
Three particles A,B and C are thrown from the top of a tower with the same speed.
Three particles A,B and C are thrown from the top of a tower with the same speed. A is thrown…
7 years ago
If angular momentum of a body is increased by 200% its kinetic energy will increase
If angular momentum of a body is increased by 200% its kinetic energy will increase by Options (a) 400% (b)…
7 years ago
The escape velocity of a body from earth’s surface is Ve. The escape velocity
The escape velocity of a body from earth's surface is Ve. The escape velocity of the same body from a…
7 years ago
A small part of the rim of a fly wheel breaks off while it is rotating at a constant
A small part of the rim of a fly wheel breaks off while it is rotating at a constant angular…
7 years ago
Laser light is considered to be coherant because it consists of
Laser light is considered to be coherant because it consists of Options (a) many wavelengths (b) uncoordinated wavelength (c) coordinated…
7 years ago