Fundamentals of Light

Question 1

According to modern physics, what dual nature does light exhibit?

Accepted Answer

Wave and Particle

Answer

Solid and Liquid

Answer

Electric and Magnetic

Answer

Sound and Light

Question 2

Approximately how fast does light travel in a vacuum?

Accepted Answer

300,000 km/s

Answer

3,000 km/s

Answer

30,000 km/s

Answer

3,000,000 km/s

Question 3

Which of the following colors is NOT a part of the visible light spectrum?

Accepted Answer

Brown

Answer

Red

Answer

Green

Answer

Violet

Question 4

What phenomenon occurs when light bounces off a smooth surface like a mirror?

Accepted Answer

Reflection

Answer

Refraction

Answer

Diffraction

Answer

Absorption

Question 5

What are the three primary colors of light, often used in displays and projectors?

Accepted Answer

Red, Green, Blue

Answer

Red, Yellow, Blue

Answer

Cyan, Magenta, Yellow

Answer

Black, White, Grey

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