Colors seen in soap bubbles and oil slicks are due to
A. The interference of light reflected from the 2 different boundaries
B. The interference of the incident light with the light reflected from the first surface
C. The interference of the incident light with the light reflected from the 2nd surface.
D. The diffraction of light due to the different indices of refraction.
Ans: A. The interference of light reflected from the 2 different boundaries
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Fill in the blank(s) with correct word
The hollows on Mercury are:
A) isolated depressions found in all parts of impact craters. B) clusters of depressions found near the center of impact craters. C) large depressions found in the Caloris Basin. D) large depressions found in the smooth plains. E) clusters of depressions that are not associated with impact craters in the smooth plains.
The wavelengths of radiation from a star that is moving away from us
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Light with an average intensity of 683 W/m2 falls on a black surface and is completely absorbed. What is the radiation pressure that the light exerts on this surface if it strikes perpendicular to the surface?
(c = 3.00 × 108 m/s) A) 1140 nN/m2 B) 2280 nN/m2 C) 4550 nN/m2 D) 205,000 N/m2