When radiation of frequency 8 x 10¹4 Hz is incident on a metal, the maximum K.E. of the photoelectrons emitted is 1.5 × 10-19 J. Find the maximum K.E. of the photoelectrons emitted when radiation of wavelength 4500 A is incident on the metal. (h and C are given)

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When radiation of frequency 8 × 10¹
Hz is incident on a metal, the maximum K.E.
of the photoelectrons emitted is 1.5 × 10-¹⁹ J.
Find the maximum K.E. of the photoelectrons
19
emitted when radiation of wavelength 4500 A
is incident on the metal. (h and C are given)
Transcribed Image Text:When radiation of frequency 8 × 10¹ Hz is incident on a metal, the maximum K.E. of the photoelectrons emitted is 1.5 × 10-¹⁹ J. Find the maximum K.E. of the photoelectrons 19 emitted when radiation of wavelength 4500 A is incident on the metal. (h and C are given)
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