The sky is blue because of

a. interference.
b. diffraction.
c. scattering.
d. dispersion.
e. polarization.

c

Physics & Space Science

You might also like to view...

From the Earth, the Earthlings see the Enterprise approaching from the west at 0.800c and the Klingons approaching from the east at 0.900c

What speed, in terms of the speed of light, does the crew of the Enterprise measure for the Klingon ship?

View
Physics & Space Science

Which of the following is NOT a true statement about the relationship between the thermal expansion of a solid and the potential energy of an ion in a solid?

a. The potential energy curve for an ion in a solid is not symmetric about the minimum energy point. b. The ions within the solid both attract and repel other ions in the solid. c. As the temperature increases from zero, ions begin to oscillate with potential energy like that of a simple-harmonic oscillator. d. The Pauli exclusion principle provides some repulsion for electron shell overlap.

View
Physics & Space Science

Relative Velocity: A swimmer heading directly across a river that is 200 m wide reaches the opposite bank in 6 min 40 s. During this swim, she is swept downstream 480 m. What is the speed of the current?

A. 0.50 m/s B. 0.80 m/s C. 1.2 m/s D. 1.4 m/s E. 1.8 m/s

View
Physics & Space Science

Isaac Newton first became famous for his contributions to the understanding of

A) the laws of mechanics. B) the law of gravity. C) light.

View
Physics & Space Science