LIGHT WAVES

Front

Which of the following helps to produce rainbows in the sky? A. diffraction, B. interference, C. absorption, D. refraction

Back

refraction

Front

What kinds of waves are used in radar for detecting the speed of a car?

Back

microwaves

Front

Which of the following helps to produce rainbows in the sky? A. diffraction , B. refraction, C. interference, D. absorption

Back

refraction

Front

The color of a transparent object depends on the color of light that

Back

are transmitted.

Front

For the greatest amount of diffraction to occur when a wave reaches a barrier, the barrier must be

Back

the same size or smaller than the wavelength.

Front

The color of an opaque object is determined by the colors of light that

Back

are reflected.

Front

What are objects that produce visible light?

Back

luminous

Front

When white light is refracted, the amount that the light bends depends on which of the following? A. the light’s amplitude, B. the light’s wavelength, C. the light’s brightness, D. the light’s frequency

Back

the light’s wavelength

Front

An electromagnetic wave is a wave that

Back

consists of changing electric and magnetic fields.

Front

Which of the following is a true statement about how the eye “sees” things? A. The light diffracts off an image and bounces away. B. The light rays reflect off an object’s image and comes back to your eye. C. The light rays enter your pupil and vibrate through to your brain. D. All of the above.

Back

The light rays reflect off an object’s image and comes back to your eye.