Question 1

What is the full range of colors in a rainbow?

Accepted Answer

Visible

Answer

Ultraviolet

Answer

Gamma

Answer

Infrared

Question 2

What is the highest frequency in the electromagnetic spectrum?

Accepted Answer

Gamma rays

Answer

X-rays

Answer

Radio waves

Answer

Microwaves

Question 3

Which type of wavelength is used in mobile phone communication?

Accepted Answer

Microwaves

Answer

Infrared

Answer

Radio waves

Answer

Ultraviolet

Question 4

What is the color of the wavelength with the shortest frequency?

Accepted Answer

Violet

Answer

Blue

Answer

Green

Answer

Red

Question 5

What is the wavelength range for ultraviolet light?

Accepted Answer

10-400 nm

Answer

700-1000 nm

Answer

1000-10000 nm

Answer

400-700 nm

Question 6

What is the speed of light in a vacuum?

Accepted Answer

299,792,458 m/s

Answer

300,000 m/s

Answer

30 m/s

Answer

3,000 m/s

Question 7

Which spectrum is used to detect fingerprints?

Accepted Answer

Infrared

Answer

X-ray

Answer

Gamma

Answer

Ultraviolet

Question 8

What is the wavelength range for radio waves?

Accepted Answer

1 mm to 100 km

Answer

400-700 nm

Answer

10-400 nm

Answer

700-1000 nm

Question 9

What causes a rainbow to form?

Accepted Answer

Refraction and reflection of light in water droplets

Answer

Absorption of light by water droplets

Answer

Reflection of light by clouds

Answer

Scattering of light by water droplets

Question 10

Which spectrum is used in medical imaging?

Accepted Answer

X-ray

Answer

Ultraviolet

Answer

Gamma

Answer

Infrared

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