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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ELECTRONS AND PHOTONS-All Questions
- Photons with energy 5 eV are incident on a cathode C in a photoelectri...
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- A radiation of energy E falls normally on a perfctly refelecting surfa...
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- When a certain metallic surface is illuminated with monochromatic ligh...
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- Which of the following figure represents the variation of particle mom...
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- A photoelectric surface is illuminated successively by monochromatic l...
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- Light of wavelength 500 nm is incident on a metal with work function 2...
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- When the energy of the incident radiation is increased by 20 % , kinet...
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- If the kinetic energy of the particle is increased to 16 times its pre...
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- For photoelectric emission from certain metal the cut - off frequency ...
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- The wavelength lambda(e ) of an electron and lambda(p) of a photon of ...
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- Monochromatic radiation emitted when electron on hydrogen atom jumps f...
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- A modern 200 W sodium street lamp emits yellow light of wavelength 0.6...
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- Light of two different frequencies whose photons have energies 1eV and...
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- 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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