When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy
When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy, taking latent…
7 years ago
AIPMT2011
A parallel plate condenser has a uniform electric field E(V/m) in the space between
A parallel plate condenser has a uniform electric field E(V/m) in the space between the plates. If the distance between…
7 years ago
A charge Q is enclosed by a Gaussian spherical surface of radius R
A charge Q is enclosed by a Gaussian spherical surface of radius R. If the radius is doubled, then the…
7 years ago
If a small amount of antimony is added to germanium crystal
If a small amount of antimony is added to germanium crystal Options (a) it becomes a p-type semiconductor (b) the…
7 years ago
In forward biasing of the p-n junction
In forward biasing of the p-n junction Options (a) the positive terminal of the battery connected to p-side and the…
7 years ago
In photoelectric emission process from a metal of work function
In photoelectric emission process from a metal of work function, 1.8 eV, the kinetic energy of most energetic electrons is…
7 years ago
Electrons used in an electron microscope are accelerated by a voltage of 25 kV
Electrons used in an electron microscope are accelerated by a voltage of 25 kV. If the voltage is increased associated…
7 years ago
Light of two different frequencies whose photons have energies 1eV
Light of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively illuminate a metallic surface whose…
7 years ago
In the Davisson and Germer experiment, the velocity of electrons emitted from the
In the Davisson and Germer experiment, the velocity of electrons emitted from the electron gun can be increased by Options…
7 years ago
Photoelectric emision occurs only when the incident light has more than a certain minimum
Photoelectric emision occurs only when the incident light has more than a certain minimum Options (a) power (b) wavelength (c)…
7 years ago