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MODERN PUBLICATION-UNIT TEST -07-EXERCISE
- The work function of a substance is 4.0 eV.The longest wavelength of i...
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- The maximum kinetic energy of phtoelectrons emitted from a surface,whe...
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- The threshold wavelength for photoelectric effect for a material is 52...
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- A photo-sensitive material would emit elecrons.if excited by photons b...
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- Photoelectrons are being obtained by irradiating zinc by a radiation o...
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- Ultraviolet radiaiton of 6.2 eV falls on an aluminium surface(work fun...
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- When a monochromatic point source of light is at a distance of 0.2 m f...
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- The figrue shows the variation of photocurrent with anode potential fo...
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- The graph between 1 //lambda and stopping potential (V) of three metal...
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- The energy of a photon is equal to the kinetic energy of a proton.The...
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- A particle of mass M at rest decays into two particles of masses m1 an...
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- A beam of electrons is used in an Young's double slit experiment.The s...
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- Electrons with de-Broglie waveelngth lambda fall on the target in an X...
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- Electron volt is a unit of
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- When a proton is accelerated with IV potential difference, then its ki...
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- Unit of Planck constant is :
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- Which one of the following statements about photon is incorrect?
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- A photon behaves as if it had a mass equal to
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- The minimum light intensity that can be perceived by the eye is about ...
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- Photoelectrons are emitted,when
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