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MODERN PUBLICATION-UNIT TEST -07-EXERCISE
- Calculate the momentum and de-Broglie wavelength of the electrons acc...
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- The photon of frequency v has a momntum associated with it .If c is th...
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- The time taken by a photoelectron to come out after the photon strikes...
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- Work function of a metl surface is 4.2 eV. The maximum wavelength whic...
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- Sodium and copper have work functions 2.3 eV and 4.5 eV, respectively....
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- A photocell is illuminated by a small bright source placed 1 m away .w...
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- According to Einstein's photoelectric equation, the graph between kine...
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- The surface of a metal is illuminted with the light of 400 nm.the kine...
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- The threshold freuency for a metallic surface corresponds to an energy...
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- This question has statement - 1 and statement - 2 of the four choice g...
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- Two identical photocathodes receive the light of frequencies f1 and f2...
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- The anode vollage of a photocell is kept fixed . The wavelength lambda...
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- The de-Broglie wavelength of a tennis ball of mass 60 g moving wiht a ...
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- If the kinetic energy of a free electron doubles,its de-Broglie wavele...
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- A radiation of energy E falls normally on a perfecly reflecting surfac...
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- Direction:Answer the MCQ no.15 to 17 on the basis of the folowing para...
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- Wave property of electron implies that they will show diffraction effe...
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- Wave property of electron implies that they will show diffraction effe...
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- Wavelength of the radiation of freuquency 100 Hz is :
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- Planck's constant has the dimetnsion of
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- The value of Planck's constant is
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