The charges Q, +q, and +q are placed at the vartices of an equilateral
The charges Q, +q, and +q are placed at the vartices of an equilateral triangle of side l. If the…
6 years ago
KA2008
If an electron and a proton have the same de-Broglie wavelength, then the kinetic
If an electron and a proton have the same de-Broglie wavelength, then the kinetic energy of the electron is Options…
6 years ago
The maximum kinetic energy of emitted electrons in a photoelectric effect
The maximum kinetic energy of emitted electrons in a photoelectric effect does not depend upon Options (a) Intensity (b) Work…
6 years ago
When a piece of metal is illuminated by a monochromatic light of wavelength λ,
When a piece of metal is illuminated by a monochromatic light of wavelength λ, then stopping potential is 3Vs. When…
6 years ago
The most stable particle in Baryon group is
The most stable particle in Baryon group is Options (a) Proton (b) Lamda-particle (c) Neutron (d) Omega-particle Correct Answer: Proton…
6 years ago
On bombarding U²³⁵ by slow neutron, 200 MeV energy is released. If the power output
On bombarding U²³⁵ by slow neutron, 200 MeV energy is released. If the power output of atomic reactor is 1.6…
6 years ago
The ratio of the nuclear radii of elements with mass numbers 216 and 125 is
The ratio of the nuclear radii of elements with mass numbers 216 and 125 is Options (a) (6:5) (b) √216:√125…
6 years ago
A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest
A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest its time period…
6 years ago
A body of mass 4 kg is accelerated upon by a constant force travels
A body of mass 4 kg is accelerated upon by a constant force travels a distance of 5 m in…
6 years ago
A certain current on passing through a galvanometer produces a deflection
A certain current on passing through a galvanometer produces a deflection of 100 divisions. When a shunt of one ohm…
6 years ago