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ERASED TEST, YOU MAY BE INTERESTED ONElectron_photon2

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Title of test:
Electron_photon2

Description:
Short type questions

Author:
AVATAR
Sudipta Kumar Roy
(Other tests from this author)


Creation Date:
08/09/2009

Category:
Science

Number of questions: 5
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Content:
Minimum energy required to remove one photoelectron from surface of metal is called ..............................
When a X-ray strikes an electron its wavelength increases [energy decreases]. Which experiment [theory] is most appropriate for this answer.
The phenomena in which when light of shorter wavelength strikes the surface of a metal and electrons are ejected is called.
The minimum frequency at which ejection of electron or photoelectric effect takes place is known as.
Who discovered cathode rays?.
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