A narrow light beam in vacuum contains light of two wavelengths, 480 nm and 700 nm. It strikes a flat piece of glass at an angle of incidence of 60.000°. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm
Determine the angle between the two wavelengths as the light travels in the glass.
0.196°
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Two objects of the same mass move along the same line in opposite directions
The first mass is moving with speed v. The objects collide, stick together, and move with speed 0.100v in the direction of the velocity of the first mass before the collision. What was the speed of the second mass before the collision? A) 1.20v B) 10.0v C) 0.900v D) 0.800v E) 0.00v
If a planet has a radius 16.0% greater than that of the Earth but has the same mass as the Earth, what is the acceleration due to gravity at its surface?
a. 8.45 m/s2 b. 1.57 m/s2 c. 10.0 m/s2 d. 7.28 m/s2
A car is driven 1 200 m north at 20.0 m/s and then driven 1 600 m east at 25.0 m/s. What is the magnitude of the average velocity for this trip?
a. 16.1 m/s b. 22.6 m/s c. 31.3 m/s d. 11.3 m/s e. 62.2 m/s
The constellations of the zodiac fall along
A) the ecliptic. B) the celestial equator. C) lines of longitude. D) lines of latitude.