The linear momentum of a $6\mathrm{MeV}$ photon is

Important Questions on Dual Nature of Radiation and Matter

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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 8

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

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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 9

If the threshold wavelength for a metal is $6200\mathrm{\AA }$ then minimum energy required to eject an electron from the surface of metal is (nearly)

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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 10

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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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 11

The de-Broglie wavelength of a particle accelerated with $100 \mathrm{volt}$ potential difference is ${10}^{-9}\mathrm{m}$. The de-Broglie wavelength of particle if it is accelerated by $1600 \mathrm{volt}$ potential difference will be

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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 12

The velocity of most energetic electron emitted from a metallic surface is tripled when the frequency $\nu$ of the incident radiation is doubled. The work function of this metal will be ($h$ is Planck's constant)

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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 13

Work function of a material depends on

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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 14

If work function of target material is $2.34\mathrm{eV}$ and wavelength of incident light is $4.36\times {10}^{-7} \mathrm{m}$ then minimum potential required to stop the photo current is about $\left(h=6.6\times {10}^{-34}\mathrm{Js}\right)$

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Gamma Question Bank for Medical Physics>Chapter 28 - Dual Nature of Radiation and Matter>Assigment>Q 15

Monochromatic light of wavelength $440 \mathrm{nm}$ is produced. The power emitted by light is $18 \mathrm{mW}.$ The number of photons emitted per second by light beam is $\left(h=6.6\times {10}^{-34}\mathrm{Js}\right)$