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The photo-electrons emitted from a surfa...

The photo-electrons emitted from a surface of sodium metal are such that

A

All are of the same frequency

B

Have the same kinetic energy

C

Have the same de Broglie wavelength

D

Have their speeds varying from zero to a certain maximum

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AAKASH INSTITUTE-DUAL NATURE OF RADIATION AND MATTER -ASSIGNMENT SECTION A. Objective (Only one answer)
  1. The work function of a metallic surface is 5.01 eV. The photo - electr...

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  2. A radio transmitter operates at a frequency of 880 kHz and a power of ...

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  3. The photo-electrons emitted from a surface of sodium metal are such th...

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  4. A photo cell is receiving light from a source placed at a distance of ...

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  5. Stopping potential for photo electrons

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  6. The maximum wavelength of radiation that can produce photoelectric eff...

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  7. Assuming photoemission to take place , the factor by which the maximum...

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  8. The stopping potential V for photoelectric emission from a metal surfa...

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  9. In an experiment on photoelectric effect the frequency f of the incide...

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  10. If the work function of a metal is 'phi' and the frequency of the inci...

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  11. The threshold frequency for a metallic surface correponds to an energy...

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  12. Two identical photocathodes receive light of frequencies f1 and f2. If...

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  13. Specific heat of water is 4.2 J//g.^(@)C. If light of frequency 3 xx 1...

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  14. A red bulb and violet bulb of equal power emits n(R ) and n(v) number ...

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  15. For a certain metal v is the five times of v(0) and the maximum veloci...

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  16. Ultraviolet light of wavelength 66.26 nm and intensity 2 W//m^(2) fall...

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  17. Two sources A and B have same power . The wavelength of radiation of A...

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  18. The work function of a certain metal is 2.3 eV. If light of wave numbe...

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  19. When the electromagnetic radiations of frequencies 4 xx 10^(15) Hz and...

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  20. If the velocity of an electron is doubled, its de-Broglie frequency wi...

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