AP EAPCET 21 May 2025 Shift 1 Paper

Section: Chemistry

Question : 121 of 160

Marks: +1, -0

When a metal surface is irradiated with light of frequency x‌Hz, the kinetic energy of emitted photoelectrons is zJ. When the same metal is irradiated with light of frequency y‌Hz, the kinetic energy of emitted electrons is ‌

J. What is the threshold frequency (in Hz) of metal?

[AP EAPCET 21 May 2025 S1]

‌
3
2
(y−x)
(‌
3y−x
2
)
(‌
2y−x
3
)
‌
2
3
(y−x)

Validate

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