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Dual Nature Of Radiation And Matter

Physics
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Einstein’s photoelectric equation states that
, In this equation refers to :

A
Kinetic energy of all ejected electrons
B
Mean kinetic energy of emitted electrons
C
Minimum kinetic energy of emitted electrons
D
Maximum kinetic energy of emitted electrons
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The process of photoelectric emission depends on

A
Temperature of incident light
B
Nature of surface
C
Speed of emitted photo electrons
D
Speed of the incident light
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The best suitable metal for photoelectric effect is:

A
Iron
B
Steel
C
Aluminium
D
Cesium
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Work function is the energy required

A
To excite an atom
B
To produce X-rays
C
To eject an electron just out of the surface
D
To explode the atom
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Threshold wavelength depends on

A
Frequency of incident radiation
B
Work function of the substance
C
Velocity of electrons
D
Energy of electrons
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De-Broglie wavelength depends on

A
Mass of the particle
B
Size of the particle
C
Material of the particle
D
Shape of the particle
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The work function of a metal

A
Is different for different metals
B
Is the same for all the metals
C
Depends on the frequency of the light
D
Depends on the intensity of the incident light
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