Exam 7: Waves

The amplitude of the wave shown in the figure is

To an astronaut in orbit around the earth the sky appears

Polarization is similar to

A medal in a plastic cube whose index of refraction is 1.5 appears to be 20 mm below the upper surface of the cube. The depth of the medal is actually

Relative to the focal length of a wide-angle camera lens, the focal length of a telephoto lens is

Sound waves travel fastest in

A sound wave whose frequency is 50 Hz

Light of which of the following colors has the highest frequency?

The higher the frequency of a wave,

When a real object is the distance f from a converging lens,

The image the lens of the eye forms on the retina is

The wavelength of a sound wave is not related to its

Of the following kinds of waves, those that cannot be polarized are

A boat at anchor is rocked by waves whose crests are 50 m apart and whose speed is 10 m/s. These waves reach the boat once every

Sound waves of frequency 300 Hz have a wavelength relative to sound waves in the same medium of frequency 600 Hz that is

Dispersion is the term used to describe the

Light of which of the following colors has the longest wavelength?

The greater the decibel dB) level of a sound wave, the

The wavelength of the wave shown in the figure is

The setting sun appears red because its light is