Compared to red light, the wavelength of green light is
A. longer
B. the same length
C. shorter
C. shorter
You might also like to view...
Gravitational Force: What is the gravitational force acting on a 59-kg person due to another 59-kg person standing 2.0 m away? We can model each person as a small sphere. (G = 6.67 × 10-11 N ? m2/kg2)
A. 5.8 × 10-8 N B. 8.5 × 103 N C. 1.2 × 10-7 N D. 9.8 × 10-10 N E. 2.0 × 10-9 N
The most modern definition of element is
a. a substance that cannot be further separated by chemical methods. b. the simplest form of matter. c. a substance in which all the atoms have the same number of protons. d. a substance that contains no neutrons.
The body chiefly responsible for ocean tides is the
1) Moon, 2) Sun, chiefly because 3) the Moon is closer to Earth than the sun. 4) gravitational pull by the Moon is less than that of the sun. 5) the difference between the Moon's pull on the near and far sides of Earth is appreciable.
A transformer is based on a principle of
A) self inductance. B) direct current. C) alternating current. D) mutual inductance. E) energy conservation.