Light from a 604-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 48°. What is the angle of reflection from the surface?
a. 12°
b. 24°
c. 48°
d. 31°
e. 75°
c
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Which statement about the Moon's orbit is true?
A. The Moon is in synchronous rotation as it orbits Earth. B. The Moon's orbit is aligned with Earth's orbit. C. The Moon is in a geosynchronous orbit around Earth. D. The Moon rotates in the opposite direction than it orbits Earth.
The figure shows the position of an object as a function of time, with all numbers accurate to two significant figures. Between time and time (a) what is the average speed of the object? (b) what is the average velocity of the object?
What will be an ideal response?
The four fundamental forces that operate in the universe today are ________
A) strong force, weak force, electromagnetic force, gravity B) nuclear force, electromagnetic force, gravity, tidal force C) nuclear force, gravity, electric force, magnetic force D) strong force, weak force, electric force, magnetic force
Uranus completes one revolution about its own axis every 17.24 hours. What is the radius of the orbit required for a satellite to revolve about Uranus with the same period? Uranus has a mass of 8.69 × 1025 kg and G = 6.67 x 10-11 N•m2/kg2
A) 8.27 × 107 m B) 3.41 × 108 m C) 2.56 × 108 m D) 9.03 × 107 m E) 1.04 × 107 m