A diver shines an underwater searchlight at the surface of a pond (n = 1.33). At what angle (relative to the surface) will the light be totally reflected?
a. 47.3°
b. 41.2°
c. 51.1°
d. 58.7°
e. 49.8°
b
You might also like to view...
An open box-car has a mass of 30,000 kg and is moving on a level railroad track at 4.00 m/s. 1,000 kg of water falls straight down into the box-car. The velocity of the box-car after the water falls into the box- car is
A. 7.01 m/s. B. 6.55 m/s. C. 5.02 m/s. D. 3.87 m/s. E. 2.89 m/s.
A rod has a length 2.00000 m at 10.0°C. The length of the rod increases to 2.00060 m when the temperature increases to 30.0°C. What is the coefficient of linear expansion of the material from which the rod is made?
A) 1.5 × 10-5/K B) 1.0 × 10-5/K C) 1.0 × 10-3/K D) 2.5 × 10-5/K E) 2.0 × 10-5/K
How much kinetic energy must a deuterium ion (charge 1.6 × 10^?19 C) have to approach to within 10?14 m of another deuterium ion? (1 MeV = 1.6 × 10^?13 J)
What is the period of a wave described by the following function: y(x,t) = (2.00 m)cos[(3.00 m-1)x + (5.00 s-1)t]
A) 0.333 s B) 0.200 s C) 5.00 s D) 1.26 s E) 2.09 s