Questions

A potentiometer wire of length L and a resistance r are connected in series with

A potentiometer wire of length L and a resistance r are connected in series with a battery of e.m.f. E₀…

A plank with a box on it at one end is gradually raised about the other end.

A plank with a box on it at one end is gradually raised about the other end. As the angle…

A photoelectric surface is illuminated successively by monochromatic light of wavelength

A photoelectric surface is illuminated successively by monochromatic light of wavelength λ and λ/2. If the maximum kinetic energy of…

A particle is executing a simple harmonic motion. Its maximum acceleration

A particle is executing a simple harmonic motion. Its maximum acceleration is α and maximum velocity is β. Then, its…

A parallel plate air capacitor has capacity C, distance of seperation between plate

A parallel plate air capacitor has capacity C, distance of seperation between plate is d and potential difference V is…

A nucleus of uranium decays at rest into nuclei of thrrium and helium. Then

A nucleus of uranium decays at rest into nuclei of thrrium and helium. Then Options (a) The helium nucleus has…

A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm

A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm all connected in series. If…

A beam of light consisting of red, green and blue colours is incident on a right

A beam of light consisting of red, green and blue colours is incident on a right angled prism. The refractive…

A ball is thrown vertically downwards from a height of 20 m with an initially

A ball is thrown vertically downwards from a height of 20 m with an initially velocity v₀. It collides with…

4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas

4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume…