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Eamcet Chemistry
1st year:unit2.6( Atomic Structure)-Nature of Electro Magnetic Radiation

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Assertion (A): Threshold wavelength is a characteristic for a metal
Reason(R): Threshold wavelength is a minimum wavelength required for the ejection of electron from the metal surface.

A. Both (A) and (R) are true and (R) is the correct explanation of (A)

B. Both (A) and (R) are true and (R) is not the correct explanation of (A)

C. (A) is true but (R) is false

D. (A) is false but (R) is true

E. None of the above

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Correct choice: A

Explanation:

none

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Eamcet Chemistry 1st year:unit2.6( Atomic Structure)-Nature of Electro Magnetic Radiation

Eamcet Chemistry
1st year:unit2.6( Atomic Structure)-Nature of Electro Magnetic Radiation