Group 4 Physical Science Quiz

When light is REFLECTED, what happens?

• A. It changes color

• B. It becomes invisible

• C. It bounces back

• D. It goes through the reflecting surface

Specular Reflection occurs when light strikes a ________ surface

• A. Wet Surface

• B. Smooth Surface

• C. Reflective Surface

• D. Rough Surface

In Diffuse Reflection, light rays are reflected in what direction?

• A. One direction

• B. In a 90° angled direction

• C. Downward directions

• D. Random directions

When light travels from a medium with a high refractive index to a medium with a lower refractive index, will it?

• A. Slow down and refracts away from the normal line.

• B. Speed up and refracts away from the normal line.

• C. Slow down and refracts closer to the normal line.

• D. Speed up and refracts closer to the normal line.

When light travels from air to water, what happens to its speed?

• A. It decreases

• B. It increases

• C. It stays the same

• D. None of the above

When an object absorbs all the components of light, what will it appear?

• A. White

• B. Red

• C. Black

• D. Blue

What type of materials CAN light transmit?

• A. Any materials

• B. Light doesn't transmit in any sort of materials

• C. Opaque materials

• D. Transparent and Translucent materials

Reflection occurs when light changes direction upon hitting a surface and bounces back into the medium it came from.

• True

• False

Selective absorption describes the tendency of an object to absorb specific frequencies of light.

• True

• False

When light travels from a medium with a low refractive index to a medium with a higher refractive index it speeds up and refracts away to the normal line.

• True

• False

Answer explanation