Waves and Light

Which of the following would a sound wave travel through the fastest?

• glass

• air

• water

• water vapor

What happens to the speed of light wave when it moves from a gas to a solid?

• It speeds up.

• It slows down.

• It stays the same.

• It speeds up and then slows down.

Which of the these materials will sound waves travel through the slowest?

• aluminum

• iron

• lead

• steel

What is the relationship between wavelength and frequency?

• They are not related to each other.

• The longer the wavelength, the lower the frequency.

• The shorter the wavelength, the lower the frequency.

• The longer the wavelength, the higher the frequency.

Why do you see lightning before you hear thunder?

• sound travels faster than light

• sound can't travel through a vacuum

• light can travel through air but sound can't

• light travels faster than sound

Which of the following does not affect the speed of sound?

• color

• density

• pressure

• temperature

According to the Em spectrum, what type of radiation has a larger wavelength than those found in the visible light spectrum?

• x-ray

• gamma ray

• infrared light

• ultraviolet light

How is visible light different from nonvisible energy?

• It travels at different speed through space.

• It travels at different distances through space.

• It has different wavelengths.

• It has different amplitudes.

Which of the following is true about white light?

• White light is composed of a spectrum of many different colors.

• White light is composed of radiation with a wide range of amplitudes.

• White light is composed of various wavelengths of light not seen by the naked eye.

• White light is composed of radiation that travels at different speeds producing various colors.

What is true of electromagnetic radiation?

• All forms of electromagnetic radiation travel at the same speed.

• All forms of electromagnetic radiation have the same frequency.

• All forms of electromagnetic radiation have the same wavelength.

• All forms of electromagnetic radiation have the same amount of energy.