EASY
CUET (UG)
IMPORTANT
Earn 100
The maximum kinetic energy of electrons emitted in the photoelectric effect is linearly dependent on the _______________ of the incident radiation.
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Important Questions on Dual Nature of Radiation and Matter
EASY
CUET (UG)
IMPORTANT
A silver ball of radius is suspended by a thread in a vacuum chamber. light of wavelength is incident on the ball for some time during which total energy of falls on the surface. Assuming that on an average, one out of photons incident on the ball is able to eject an electron, then the potential of the sphere will be
EASY
CUET (UG)
IMPORTANT
The photoelectric effect is based on the law of conservation of
MEDIUM
CUET (UG)
IMPORTANT
A photon of energy ejects a photoelectron from a metal surface whose work function is If this electron enters into a uniform magnetic field of induction in a direction perpendicular to the field and describes a circular path of radius then the radius is given by, (in the usual notation)
MEDIUM
CUET (UG)
IMPORTANT
Assertion: Slope of graph is same for all metals having different work function.
Reason: , where all symbols have their usual meaning.
EASY
CUET (UG)
IMPORTANT
When the light of wavelength falls on a photoelectric emitter, photoelectrons are liberated. For another emitter, the light of wavelength is sufficient for liberating photoelectrons. The ratio of the work function of the two emitters is
EASY
CUET (UG)
IMPORTANT
Assertion: K.E. of all photo-electrons are same, when monochromatic light is incident on a metal.
Reason: , where all symbols have their usual meaning.
EASY
CUET (UG)
IMPORTANT
In the photoelectric effect, the K.E. of electrons emitted from the metal surface depends upon
EASY
CUET (UG)
IMPORTANT
According to Einstein's photoelectric equation, the graph between the kinetic energy of photoelectrons ejected and the frequency of incident radiation is
