Ch 12 Light

Front

What makes a neon light glow?

Back

Electrons collide with the gas molecules inside it and produce visible light.

Front

The angle at which light strikes a surface is _____ the angle at which it is reflected.

Back

the same as

Front

Which type of cell is located in the retina?

Back

cone

Front

Which color of visible light has the longest wavelength? Options: violet, yellow, red, blue

Back

red

Front

Which of the following best describes an incandescent light?

Back

Gives off light when a tungsten filament is heated.

Front

If a transparent blue filter is placed over a camera lens, what happens to visible light entering it?

Back

Blue light is transmitted by the filter to the camera, and other colors of light are absorbed by the filter.

Front

Which of the following cells is most useful at night? rod, blue cone, red cone, green cone

Back

rod

Front

What determines the color of an object?

Back

The wavelength of light it reflects.

Front

Reflection of light waves from a smooth, mirror-like surface is called.

Back

regular reflection

Front

What property of a material indicates how much light slows down when traveling in it?

Back

index of refraction