Compared to infrared radiation, does ultraviolet radiation have longer or shorter wavelengths? Does ultraviolet radiation have higher or lower energy per photon?
What will be an ideal response?
Ultraviolet radiation has shorter wavelengths and higher energy than infrared radiation.
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All the following statements are true. Which one can be attributed to the exclusion principle?
A) If we know the location of an electron quite well, we will have little idea where it is going next. B) If an electron and antielectron meet, they will turn into energy through mutual annihilation. C) An electron has energy equal to its mass times the speed of light squared. D) Two electrons with the same spin cannot occupy the same energy level in an atom.
A string 40.0 cm long of mass 8.50 g is fixed at both ends and is under a tension of 425 N
When this string is vibrating in its third OVERTONE, you observe that it causes a nearby pipe, open at both ends, to resonate in its third HARMONIC. The speed of sound in the room is 344 m/s. (a) How long is the pipe? (b) What is the fundamental frequency of the pipe? What will be an ideal response?
If the wavelength of a photon is the same as the de Broglie wavelength of an electron, which one has the greater momentum?
A) The electron because it has more mass. B) The photon because it is traveling faster. C) They both have the same momentum.
Only ________ stars have rotation periods of less than a second
Fill in the blank(s) with correct word