Which of the following is an example of ideal black body?
Which of the following is an example of ideal black body? Options (a) Kajal (b) Black board (c) A pin…
4 years ago
AIEEE2002
A spring has time period T. It is cut into n equal parts. The time period of each part
A spring has time period T. It is cut into n equal parts. The time period of each part will…
6 years ago
The magnetic susceptibility is negative for
The magnetic susceptibility is negative for Options (a) Paramagnetic materials (b) Diamagnetic materials (c) Ferromagnetic materials (d) Paramagnetic and ferromagnetic…
6 years ago
In radioactive element, β-rays are emitted from
In radioactive element, β-rays are emitted from Options (a) Nucleus (b) Outer orbit (c) Inner orbit (d) None of these…
6 years ago
The kinetic energy needed to project a body of mass m from the surface of earth
The kinetic energy needed to project a body of mass m from the surface of earth (radius R) to infinity…
6 years ago
Length of a string tied to two rigid supports is 40 cm. Maximum length
Length of a string tied to two rigid supports is 40 cm. Maximum length (wavelength in cm) of a stationary…
6 years ago
In Young’s double slit experiment, the wavelength of the light used is doubled
In Young's double slit experiment, the wavelength of the light used is doubled and distance between two slits is made…
6 years ago
Work done by an external agent in separating the parallel plate capacitor is
Work done by an external agent in separating the parallel plate capacitor is Options (a) CV (b) 1/2 C²V (c)…
6 years ago
The energy band gap is maximum in
The energy band gap is maximum in Options (a) Metals (b) Superconductors (c) Insulators (d) Semiconductors Correct Answer: InsulatorsExplanation:No explanation…
6 years ago
In circular coil, when number of turns is doubled and resistance becomes 1/4th
In circular coil, when number of turns is doubled and resistance becomes 1/4th of initial value, the inductance becomes Options…
6 years ago