SATHEE: Atomic Structure Question 120

Atomic Structure Question 120

Question: In a Bohr’s model of atom when an electron jumps from $n = 1$ to $n = 3$ , how much energy will be emitted or absorbed [CBSE PMT 1996]

Options:

A) $2.15 \times 10^{- 11} e r g$

B) $0.1911 \times 10^{- 10} e r g$

C) $2.389 \times 10^{- 12} e r g$

D) $0.239 \times 10^{- 10} e r g$

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Answer:

Correct Answer: B

Solution:

According to Bohr-s model $Δ E = E_{1} - E_{3}$

$= 2.179 \times 10^{- 11} - \frac{2.179 \times 10^{11}}{9}$

$= \frac{8}{9} \times 2.179 \times 10^{- 11}$

$= 1.91 \times 10^{- 11}$

$= 0.191 \times 10^{- 10} e r g$ Since electron is going from $n = 1$ to $n = 3$ hence energy is absorbed.

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Atomic Structure Question 120

Question: In a Bohr’s model of atom when an electron jumps from n=1 to n=3 , how much energy will be emitted or absorbed [CBSE PMT 1996]

Options:

Answer:

Solution:

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Question: In a Bohr’s model of atom when an electron jumps from $n = 1$ to $n = 3$ , how much energy will be emitted or absorbed [CBSE PMT 1996]