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The strength of transverse magnetic fiel...

The strength of transverse magnetic field required to bend all photoelectrons within a circle of radius 0..5 m,when light f wavelength `4,000 overset @A` is incident on a barium emitter is (the work function of barium is 2.5 eV)

A

`4.0 xx 10^(-6) T`

B

`4.0 xx 10^(-4) T`

C

`5.2 xx 10^(-6) T`

D

`5.2 xx 10^(-4) T`.

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MODERN PUBLICATION-UNIT TEST -07-EXERCISE
  1. According to Einstein's photoelectric equation, the graph between kine...

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  2. Light of wavleength 5,000 overset @A falls on a photo sensitive plate ...

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  3. The strength of transverse magnetic field required to bend all photoel...

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  4. The momentum of a photon of wavleengh 5,000 overset @A will be

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  5. What is the de-Brogile wavelength of 1 kg mass moving with a velocity ...

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  6. The wavelength of a particle having movement of 2 xx 10^(-28) kg m s^(...

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  7. If the momentum fo particle is doubled,then its de-|B|roglie wavelengt...

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  8. The de-Broglie waelength of an electron of energy 600 eV is

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  9. If we consider electrons and photons of same wave length, then they w...

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  10. A radio transmiter operaties at a frequency of 880 kHz and a power of ...

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  11. Photoelecttric effect supports the qunatum nature of light,becuse

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  12. the strength of photoelectric curent depends upon

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  13. The work function of a substance is 4.0 eV.The longest wavelength of i...

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  14. The maximum kinetic energy of phtoelectrons emitted from a surface,whe...

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  15. The threshold wavelength for photoelectric effect for a material is 52...

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  16. A photo-sensitive material would emit elecrons.if excited by photons b...

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  17. Photoelectrons are being obtained by irradiating zinc by a radiation o...

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  18. Ultraviolet radiaiton of 6.2 eV falls on an aluminium surface(work fun...

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  19. When a monochromatic point source of light is at a distance of 0.2 m f...

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  20. The figrue shows the variation of photocurrent with anode potential fo...

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