In which case the wavelength emitted is minimum?
A) An electron jumps from 2nd to 1st level.
B) An electron jumps from 3rd to 2nd level.
C) An electron jumps from 4th to 3rd level.
D) An electron jumps from 5th to 4th level.
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In which case the wavelength emitted is minimum?
A) An electron jumps from 2nd to 1st level.
B) An electron jumps from 3rd to 2nd level.
C) An electron jumps from 4th to 3rd level.
D) An electron jumps from 5th to 4th level.
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Answer:
1. An electron jumps from 2nd to 1st level
Explanation:
since,
E=hv/ λ
greater the energy lower the wavelength
hence in case of when electron jumps from the 2nd orbit to first orbit there is a greater amount is required so here the wavelength must be minimum