SATHEE: Atomic Structure Question 384

Atomic Structure Question 384

Question: Excited hydrogen atom emits light in the ultraviolet region at $2.47 \times 10^{15} H z$ . With this frequency, the energy of a single photon is: $(h = 6.63 \times 10^{- 34} J s)$

Options:

A) $8.041 \times 10^{- 40} J$

B) $2.680 \times 10^{- 19} J$

C) $1.640 \times 10^{- 18} J$

D) $6.111 \times 10^{- 17} J$

Show Answer

Answer:

Correct Answer: C

Solution:

$E = h v$

$= 6.63 \times 10^{- 34} \times 2.47 \times 10^{15}$

$= 1.640 \times 10^{- 18} J$

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Atomic Structure Question 384

Question: Excited hydrogen atom emits light in the ultraviolet region at 2.47×1015Hz . With this frequency, the energy of a single photon is: (h=6.63×10−34Js)

Options:

Answer:

Solution:

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Question: Excited hydrogen atom emits light in the ultraviolet region at $2.47 \times 10^{15} H z$ . With this frequency, the energy of a single photon is: $(h = 6.63 \times 10^{- 34} J s)$