The optical path of a monochromatic light is same if it goes through 4.0 cm
The optical path of a monochromatic light is same if it goes through 4.0 cm of glass or 4.5 cm…
8 years ago
Questions
A bullet of mass 0.05 kg moving with a speed of 80 m/s enters a wooden
A bullet of mass 0.05 kg moving with a speed of 80 m/s enters a wooden block and is stopped…
8 years ago
A light emitting diode(LED) has a voltage drop of 2 volt across it
A light emitting diode(LED) has a voltage drop of 2 volt across it and passes a current of 10 mA…
8 years ago
The work done in rotating a magnetic of magnetic moment 2 A-m² in
The work done in rotating a magnetic of magnetic moment 2 A-m² in a magnetic field of 5 x 10³…
8 years ago
By sucking through a straw, a student can reduce the pressure of his lungs
By sucking through a straw, a student can reduce the pressure of his lungs to 750 nm of Hg (density…
8 years ago
Two coils of self inductance 2 mH and 8 mH are placed so close together
Two coils of self inductance 2 mH and 8 mH are placed so close together that the effective flux in…
8 years ago
The refractive index of water, glass and diamond are 1.33, 1.50, 2.40 respectively
The refractive index of water, glass and diamond are 1.33, 1.50, 2.40 respectively. The refractive index of diamond relative to…
8 years ago
A block of 2 kg is kept on the floor. The coefficient of static friction is 0.4
A block of 2 kg is kept on the floor. The coefficient of static friction is 0.4. If a force…
8 years ago
A body A experiences perfectly elastic collision with a stationary body B
A body A experiences perfectly elastic collision with a stationary body B. If after collision the bodies fly apart in…
8 years ago
The time period of a thin bar magnet in Earth’s magnetic field is T
The time period of a thin bar magnet in Earth's magnetic field is T. If the magnet is cut into…
8 years ago