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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ELECTRONS AND PHOTONS-All Questions
- Photoelectric emission occurs only when the incident light has more th...
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- In photoelectric emission process from a metal of work function 1.8 eV...
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- A source S(1) is producing 10^(15) photons/s of wavelength 5000 Å Anot...
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- The number of photoelectrons emitted for light of a frequency v (highe...
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- The figure shows a plot of photo current versus anode potential for a ...
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- Monochromatic light of wavelength 667 nm is produced by a helium neon ...
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- A particle of mass 1 mg has the same wavelength as an electron moving ...
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- In the phenomenon of electric discharge through gases at low pressure ...
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- The work function of a surface of a photosensitive material is 6.2 eV...
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- Monochromatic light of frequency 6.0 xx 10^(14) Hz is produced by a la...
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- A 5 W source emits monochromatic light of wavelength 5000 Å. When plac...
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- The momentum of a photon of energy 1 MeV "in" kg m//s will be
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- In a discharge tube ionization of enclosed gas is produced due to coll...
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- A photocell employs photoelectric effect to convert
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- A photosensitive metallic surface has work function , h v(0). If photo...
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- The work function for metals A , B and C are respectively 1.92 eV , 2....
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- According to Einstein's photoelectric equation , the graph between the...
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- A photoelectric cell is illuminated by a point source of light 1 m awa...
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- Which of the following is not the property of a cathode rays
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- If particles are moving with same velocity , then maximum de - Broglie...
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