Homework Clinic
Science Clinic => Physics => Topic started by: appyboo on Jul 29, 2018
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A diatomic molecule is vibrating in its first excited quantum state above the ground state.
In that excited state, its frequency is 2.0 1013 Hz. What is the energy of the molecule in this state? (h = 6.626 10-34 J s, h = 1.055 10-34 J s, 1 eV = 1.60 10-19 J
A) 0.041 eV B) 0.083 eV C) 0.15 eV D) 0.12 eV E) 0.17 eV
Question 2
A person walks toward a plane mirror at 2.0 ft/s. She is approaching her image in the mirror at a speed of
A)
1.0 ft/s.
B)
3.0 ft/s.
C)
2.0 ft/s.
D)
4.0 ft/s.
E)
5.0 ft/s.
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Answer to Question 1
D
Answer to Question 2
D
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Thanks!!