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A metal having threshold frequency 1.0 x 105Hz is shone with a light of frequency 3.0 x1015 Hz. The kinetic energy of photoelectronswould beOptions:1.99 x 10 18J-196.63 x 10J1.32 x 10-18J2.4 x10 18J |
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Answer» A metal having threshold frequency 1.0 x 105 Hz is shone with a light of frequency 3.0 x 1015 Hz. The kinetic energy of photoelectrons would be Options: 1.99 x 10 18 J -19 6.63 x 10 J 1.32 x 10-18 J 2.4 x10 18 J |
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