Ch. 16 Sound and Light

Light can be modeled as ________________.

A mirror that bulges out in the middle is a ____________ mirror.

Which type of electromagnetic radiation is used to cook food?

As the frequency of a sound wave increases, ________________.

A lens that bends light inward is _____________.

Relative intensity of sound is measured in units that have the symbol ____________.

A system that uses reflected sound waves to determine the distance to an object is ________.

An image formed from the apparent path of light is _____________.

A leaf appears green because it ______________.

In the eye, most of the refraction of light is done by the ____________.

Light rays that reflect off of a rough surface reflect _____________.

The angle of light changing as it passes through glass is called _________.

Electromagnetic waves that are used to send TV signals are _______________.

A flat mirror produces an image that is ___________.

Sound waves, such as those created by musical instruments, are produced by _____________.

The brightness of sound depends on the __________ of the light waves.

Sound would travel the slowest through which of the following materials?

If you are trying to find the hammer, anvil, and stirrup in the ear, where should you look?

If you mix the three subtractive primary colors together, what would you get?

Diffuse reflection occurs when light reflects off a ____________.

When white light passes through a prism, it is separated into the visible spectrum because

What type of mirror would you use if you wanted to create an image smaller than the object?

A concave mirror is the only type of mirror that can form a ______________ image.

If light moves from a material with a lower speed to a material with a higher speed, it ______.

Sound waves with a frequency below the range of human hearing (about 20 Hz) are __________.

Which of the following is NOT a primary additive color?

When light rays are dispersed by raindrops and reflected back towards Earth, they produce a(n)