Stopping Potential for Light of.... | JEE Main 2021 | Modern

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JEE MAIN 2021

25-02-2021 S2

Question

The stopping potential for electrons emitted from a photosensitive surface illuminated by light of wavelength 491 nm is 0.710 V. When the incident wavelength is changed to a new value, the stopping potential is 1.43 V. The new wavelength is :

Select the correct option:

A

329 nm (

B

309 nm

C

382 nm

D

400 nm

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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