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The work function for aluminium is 4.125...

The work function for aluminium is 4.125 eV. The cut-off wavelength for photoelectric effect for aluminium will be

A

420 nm

B

150 nm

C

300 nm

D

200 nm

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The correct Answer is:
C
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TARGET PUBLICATION-ELECTRONS AND PHOTONS-Evaluation Test
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  6. Assertion: Work function of a metal is 4 eV. The maximum wavelength of...

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  8. Photon having wavelength lambda = 3.5xx10^(-7)m and lambda = 5.4xx10^(...

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  9. Illuminating a metal surface alternately with wavelengths lambda1 and ...

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  12. Assertion: Work function of a metal is proportional to maximum wavelen...

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  13. The retarding potential for having zero photo - electron current

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  14. A proton and an alpha-particle are accelerated through same potential ...

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  15. Light of wavelength 3000 Å falls on a sensitive surface. If the surfac...

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  16. The work function for aluminium is 4.125 eV. The cut-off wavelength fo...

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  17. Two metallic plates P(collector) and Q (emitter) are separated by a di...

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  18. Lights of two different frequencies whose photons have energies 1 eV a...

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