A force of 5 N is acting on an object. Displacement of object is 10 m and the work done
A force of 5 N is acting on an object. Displacement of object is 10 m and the work done…
7 years ago
Physics
A body is moving in a vertical circle. The string must remain taut at the highest point
A body is moving in a vertical circle. The string must remain taut at the highest point. The centripetal acceleration…
7 years ago
A transistor is working in common emitter mode. Its amplification factor is 80
A transistor is working in common emitter mode. Its amplification factor is 80. If the base current is 250 µA,…
7 years ago
Water rises to a height h in a capillary at the surface of earth. On the surface
Water rises to a height h in a capillary at the surface of earth. On the surface of the moon…
7 years ago
A Galilean telescope has an objective of focal length 100 cm and magnifying power 50
A Galilean telescope has an objective of focal length 100 cm and magnifying power 50. The distance between the two…
7 years ago
Starting from the origin, a body oscillates simple harmonically with a period of 2s
Starting from the origin, a body oscillates simple harmonically with a period of 2s. After what time will its kinetic…
7 years ago
The potential difference applied to an X-ray tube is 5 kV and the current through it
The potential difference applied to an X-ray tube is 5 kV and the current through it is 3.2 mA. The…
7 years ago
The mean distance between the atoms of iron is 3 x 10⁻¹⁰ m and interatomic force
The mean distance between the atoms of iron is 3 x 10⁻¹⁰ m and interatomic force constant for iron is…
7 years ago
An unpolarised beam of intensity I is incident on a pair of nicols making an angle
An unpolarised beam of intensity I is incident on a pair of nicols making an angle of 60° with each…
7 years ago
A magnetic field of 1600 A/m produces a magnetic flux of 2.4 x 10⁻⁵ Wb
A magnetic field of 1600 A/m produces a magnetic flux of 2.4 x 10⁻⁵ Wb in an iron bar of…
7 years ago