Which of the following ranges corresponds to the shortest wavelengths?
a. infrasonic
c. ultrasonic
b. audible
d. All have the same wavelengths.
C
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What is the ratio of the escape speed of a rocket launched from sea level to the escape speed of one launched from Mt. Everest (an altitude of 8.85 km)? The radius of the earth is 6.38 × 106 m
A) 1.0007 B) 1.0014 C) 1.0001 D) 0.9986 E) 0.9993
Our theories of galaxy formation are just as well developed and tested as are our theories of star and planet formation
Indicate whether the statement is true or false
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.
Define velocity, and give an example