A certain diatomic molecule emits a photon of energy 1.20 eV when it makes a transition from the n = 1 vibrational state to the next lower vibrational state.
What is the frequency of vibration of the molecule? (h = 6.626 10-34 J s, h = 1.055 10-34 J s, 1 eV = 1.60 10-19 J)
A) 1.93 1014 Hz
B) 2.73 1015 Hz
C) 4.35 1014 Hz
D) 2.90 1014 Hz
E) 1.82 1015 Hz
Question 2
A 360-nm thick oil film floats on the surface of a pool of water water. The indices of refraction of the oil and the water are 1.5 and 1.33, respectively.
When the surface of the oil is illuminated from above at normal incidence with white light, what are the two wavelengths of light between 400 nm to 800 nm wavelength that are most strongly reflected?
A) 430 nm and 720 nm
B) 450 nm and 740 nm
C) 490 nm and 780 nm
D) 410 nm and 700 nm
E) 470 nm and 760 nm
Activation energy of a chemical reaction
Basic energy of a human life
What makes tea so good
Energy Metabolism During Exercise
Renewable Energy Efforts
Ocean Energy