State the law of conservation of total energy
What will be an ideal response?
The total energy of an isolated system is always conserved.
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How are wavelength, frequency, and energy related for photons of light?
A) Longer wavelength means lower frequency and lower energy. B) Longer wavelength means higher frequency and lower energy. C) Longer wavelength means higher frequency and higher energy. D) Longer wavelength means lower frequency and higher energy. E) There is no simple relationship because different photons travel at different speeds.
The lowest-pitch tone to resonate in a pipe of length L that is open at both ends is 200 Hz. Which one of the following frequencies will NOT resonate in the same pipe?
A) 400 Hz B) 600 Hz C) 800 Hz D) 900 Hz E) 1000 Hz
Once crossed, not even light can return over the ________ of a black hole
Fill in the blank(s) with correct word
That all points on a wave front act as new sources of spherical waves is attributed to:
a. Maxwell. c. Thomas. b. Young. d. Huygens.