Glass is transparent to light of frequencies that
A) match its natural frequencies.
B) are below its natural frequencies.
C) both of these
D) none of the above
Answer: B
You might also like to view...
Why does Venus appear so bright to the eye?
A) It gets closer to us than any other planet does. B) Venus is closer to the Sun, so gets more intense sunlight. C) The planet's cloud-cover is highly reflective, reflecting 60% of the Sun's light. D) As seen from Earth, the disk of Venus can appear larger than any other planet's. E) All of the above are correct.
Classify the following statement as a characteristic
(a) of electric forces only, (b) of magnetic forces only, (c) of both electric and magnetic forces, or (d) of neither electric nor magnetic forces. The force exerted on a stationary charged object is nonzero.
1.electric forces 2.magnetic forces 3.both electric and magnetic forces 4.neither electric nor magnetic forcesSnell's Law: A thin flashlight beam traveling in air strikes a glass plate at an angle of 52° with the plane of the surface of the plate. If the index of refraction of the glass is 1.4, what angle will the beam make with the normal in the glass?
A. 34° B. 64° C. 26° D. 56° E. 38°
A gas expands from an initial volume of 30.0 L to a final volume of 65.0 L at a constant pressure of 110 kPa. How much work is done by the gas?
A) 3.85 kJ B) 10.4 kJ C) 3850 kJ D) 10.4 MJ E) 3.85 MJ