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Non-dependence of e/m oof the cathode ra...

Non-dependence of e/m oof the cathode ray particles on nature of the gas and metal of cathode suggested

A

wave nature of particles

B

photoemission of electrons

C

universality of the cathode ray particles

D

presence of positive charge in atom

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The correct Answer is:
C
e/m ratio does not depend on material.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ELECTRONS AND PROTONS-Exercise 1
  1. Positive rays are very identical to

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  2. Few metals when irradiated with ultraviolet light emits

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  3. Non-dependence of e/m oof the cathode ray particles on nature of the g...

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  4. The velocity of electrons emitted from the electron gun can be increas...

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  5. A beam of cathode rays is subjected to crossed electric (E ) and magn...

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  6. In the phenomenon of electric discharge through gases at low pressure ...

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  7. Canal rays are

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  8. Cathode rays enter a magnetic field making oblique angle with the line...

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  9. Millikan's oil drop experiment established that

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  10. The photoelectric threshould wavelength for a metal surface is 6600 Å....

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  11. Ligth of wavelength 4000 Å is incident on a metal plate whose work fun...

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  12. The frequency of incident light falling on a photosensitive metal plat...

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  13. If the work function for a certain metal is 3.2 xx 10^(-19) joule and ...

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  14. Ultraviolet light of wavelength 300nn and intensity 1.0Wm^-2 falls on ...

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  15. Light of wavelength 4000 Å is incident on a sodium surface for which t...

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  16. Photoelectric emission occurs only when the incident light has more th...

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  17. A photosensitive metallic surface has work funtion hv(0). If photons o...

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  18. Radiation two photons having energies twice and five times the work fu...

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  19. The work function for metals A , B and C are respectively 1.92 eV , 2....

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  20. Silver has a work function of 4.7 eV. When ultraviolet light of wavele...

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