The de-broglie wavelength of an electron in 4th orbit is
The de-broglie wavelength of an electron in 4th orbit is ( where, r= radius of 1st orbit) Options (a) 2πr…
8 years ago
Physics
A gas of monoatomic hydrogen is bombarded with a stream of electrons
A gas of monoatomic hydrogen is bombarded with a stream of electrons that have been accelerated from rest through a…
8 years ago
An atom bomb works on the principle of
An atom bomb works on the principle of Options (a) nuclear fission (b) nuclear fusion (c) α-decay (d) β-decay Correct…
8 years ago
A galvanometer of resistance 50Ω is connected to a battery of 3 V along with a resistance
A galvanometer of resistance 50Ω is connected to a battery of 3 V along with a resistance of 2950 Ω…
8 years ago
A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time
A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time will potential drop…
8 years ago
The physical quantities not having same dimensions are
The physical quantities not having same dimensions are Options (a) Speed and (μ₀ε₀)⁻¹/₂ (b) Torque and work (c) Momentum and…
8 years ago
The unit of reactance is
The unit of reactance is Options (a) ohm (b) volt (c) mho (d) newton Correct Answer: ohmExplanation:No explanation available. Be…
8 years ago
A neutron is moving with a velocity u.It collides head on and elastically with an atom
A neutron is moving with a velocity u.It collides head on and elastically with an atom of mass number A.…
8 years ago
A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.
A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m. The power…
8 years ago
The frequency of fundamental tone in an open organ pipe of length
The frequency of fundamental tone in an open organ pipe of length 0.48 m is to 320 Hz. Speed of…
8 years ago