When light from air hits a smooth piece of glass with the ray perpendicular to the glass surface, the part of the light passing into the glass:
a. will not change its speed.
b. will not change its frequency.
c. will not change its wavelength.
d. will not change its intensity.
b
You might also like to view...
Which of the following statements is true of stars?
A) Stars should have very low densities to support their own weight. B) Stars should have very low temperatures to support their own weight. C) The pressure of a gas near the surface of a star does not need to be high for stability. D) The temperature of a gas near the center of a star does not need to be high for stability.
The current through a circuit consisting of a single battery and single resistor is measured to be 0.25 ampere. Another identical battery and another identical resistor are added to the circuit. The current passing through the circuit is
A. 0.125 A. B. 0.50 A. C. 0.25 A. D. dependent on how the battery and resistor are added to the circuit.
Given that the acceleration due to gravity on Mars is 3.7 m/s2, what is the gravitational field near Mar's surface?
A. 3.7 N/kg B. 3.7 N/kg up C. 3.7 N/kg down D. 10 N/kg down
One phenomenon that supports the quantum theory of radiation is
A) the transference of energy by a light beam. B) the tiny flashes when a light beam strikes a screen. C) interference effects with light. D) the tiny flashes when an electron beam strikes a screen. E) None of the above.