Dual Nature Of Radiation And Matter

Physics
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Choose the correct statement

A
Any charged particle in rest is accompanied by matter waves.
B
Any uncharged particle in rest is accompanied by matter waves.
C
The matter waves are waves of zero amplitude.
D
The matter waves are waves of probability amplitude.
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With the decrease in the wave length of the incident radiation the velocity of the photoelectrons emitted from a given metal

A
Remains same
B
Increases
C
Decreases
D
Increases first and then decreases
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An electron of charge 'e' and mass 'm' is accelerated from rest by a potential difference 'V'. The de Broglie wavelength is

A
Directly proportional to the square root of potential difference.
B
Inversely proportional to the square root of potential difference
C
Directly proportional to the square root of electron mass
D
Inversely proportional to the cube root of electron mass
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In photo-electric effect, when photons of energy are incident on a metal surface, electrons are emitted with some kinetic energy. It is possible to say that

A
All ejected electrons have same K.E. equal to 
B
The ejected electrons have a distribution of K.E. from zero to
C
The most energetic electrons have K.E. equal to
D
All ejected electrons have K.E. equal to
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The graph between the de Broglie wavelength and the momentum of a photon is a 

A
Rectangular hyperbola
B
Circle
C
Parabola
D
Straight line
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