Question 1

What is the speed of light in a vacuum?

Accepted Answer

299,792,458 meters per second

Answer

299,792,355 meters per second

Answer

299,792,459 meters per second

Answer

186,282,397 meters per second

Question 2

What is the phenomenon of light bending when passing through different materials?

Accepted Answer

Refraction

Answer

Interference

Answer

Reflection

Answer

Diffraction

Question 3

What is the color of light that is produced by combining all colors of the visible spectrum?

Accepted Answer

White

Answer

Red

Answer

Green

Answer

Black

Question 4

What type of surfaces reflect light and allow us to see objects?

Accepted Answer

Opaque surfaces

Answer

Transparent surfaces

Answer

Transparency surfaces

Answer

Translucent surfaces

Question 5

What is the process through which light waves bounce off a surface?

Accepted Answer

Reflection

Answer

Refraction

Answer

Scattering

Answer

Diffraction

Question 6

Which type of lens is thicker in the middle and causes light rays to converge?

Accepted Answer

Convex lens

Answer

Concave lens

Answer

Spherical lens

Answer

Cylindrical lens

Question 7

What is the process through which light waves change direction and spread out as they pass through an opening?

Accepted Answer

Diffraction

Answer

Interference

Answer

Refraction

Answer

Reflection

Question 8

What is the color of light with the longest wavelength?

Accepted Answer

Red

Answer

Yellow

Answer

Green

Answer

Blue

Question 9

What is the color of light with the shortest wavelength?

Accepted Answer

Violet

Answer

Yellow

Answer

Green

Answer

Orange

Question 10

Which property of light determines the brightness of an object?

Accepted Answer

Intensity

Answer

Frequency

Answer

Wavelength

Answer

Hue

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