The energy of a photon:
A) is inversely proportional to the frequency of the light.
B) is inversely proportional to the wavelength of the light.
C) depends only on the speed of the light.
D) depends only on the mass of the photon.
B
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The correct sequence of spectral type letters from hot on the left to cool on the right is
a. M, K, G, F, A, B, O b. O, B, A, F, G, K, M c. G, K, M, F, O, B, A d. A, B, O, F, G, K, M
Using an integral to calculate a sum over f (n) (where n is an integer) is a good approximation when
A. the summed values f (n) are individually small. B. the value of f (n) varies only very slowly with n. C. the value of f (n) goes to zero as n goes to infinity. D. the value of f (n) goes to zero as n goes to zero. E. All of the conditions above are true.
Estimate the distance (in cm) between the central bright region and the third dark fringe on a screen 5.00 m from two double slits 0.500 mm apart illuminated by 500-nm light.
A. 3.47 B. 2.15 C. 1.75 D. 1.50 E. 1.25
Compared to the size of its nucleus, the size of an atom is about
A) a hundred times greater. B) ten times greater. C) one hundred thousand times greater. D) the same. E) a thousand times greater.