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Choose the correct graph of intensity of incident light and photocurrent.
(a)

(b)

(c)

(d)


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Important Questions on Dual Nature of Radiation and Matter
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If alpha particle and deutron are moving with same velocity, the ratio of their respective de-Broglie wavelength will be

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If the kinetic energy of the particle is increased by times, the percentage change in the de -Broglie wavelength of the particle is

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IMPORTANT
Photoelectric effect can be explained by

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IMPORTANT
The linear momentum of a photon is

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The number of photoelectrons emitted per second from a metal surface increases when

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If the threshold wavelength for a metal is then minimum energy required to eject an electron from the surface of metal is (nearly)

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If the kinetic energy of a proton is doubled, then the de-Broglie wavelength associated with it increases by a factor of

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The de-Broglie wavelength of a particle accelerated with potential difference is . The de-Broglie wavelength of particle if it is accelerated by potential difference will be
