The ratio of energy to frequency for a given photon gives
A)
its amplitude.
B)
its velocity.
C)
its wavelength.
D)
Planck's constant.
E)
its work function.
D
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The acceleration due to the Earth's gravity, in English units, is 32 ft/s2. In the absence of air friction, a ball is dropped from rest. Its speed on striking the ground is exactly 132 ft/s. From what height was the ball dropped?
A. 132 ft B. 421 ft C. 165 ft D. 272 ft
A 5.0-? resistor and a 9.0-? resistor are connected in parallel. A 4.0-? resistor is then connected in series with this parallel combination. An ideal 6.0-V battery is then connected across the series-parallel combination of the three resistors
What is the current through (a) the 4.0-? resistor? (b) the 5.0-? resistor? (c) the 9.0-? resistor?
The color force between quarks is carried by mesons
a. True b. False Indicate whether the statement is true or false
An alpha particle is another name for a(n) __________
Fill in the blank(s) with correct word