Question 1

What type of lens is used in a magnifying glass?

Accepted Answer

Convex lens

Answer

Concave lens

Answer

Plano-convex lens

Answer

Biconvex lens

Question 2

What is the phenomenon responsible for the images formed by a concave mirror?

Accepted Answer

Reflection of light

Answer

Absorption of light

Answer

Refraction of light

Answer

Diffraction of light

Question 3

What type of electromagnetic radiation is used in medical imaging?

Accepted Answer

X-rays

Answer

Gamma rays

Answer

Visible light

Answer

Ultraviolet radiation

Question 4

What type of electromagnetic radiation is used in remote controls?

Accepted Answer

Infrared radiation

Answer

X-rays

Answer

Radio waves

Answer

Microwaves

Question 5

What is the speed of light in a vacuum?

Accepted Answer

299,792,458 meters per second

Answer

1,000,000 meters per second

Answer

100,000,000 meters per second

Answer

500,000,000 meters per second

Question 6

Convex mirrors are also known as

Accepted Answer

Diverging mirrors

Answer

Emerging Mirrors

Answer

Converging mirrors

Question 7

What type of mirror is used in the headlights of a car?

Accepted Answer

Concave Mirror

Answer

Plane Mirror

Answer

Convex Mirror

Question 8

What type of mirrors are used for Traffic Safety, especially on backroads?

Accepted Answer

Convex

Answer

Plane

Answer

Concave

Question 9

Microscopes and Face Mirrors for makeup etc use what type of mirror?

Accepted Answer

Concave

Answer

Convex

Answer

Plane

Question 10

Converging rays are formed with a…

Accepted Answer

Concave Mirror

Answer

Plane Mirror

Answer

Convex Mirror

Question 11

Law of reflection states that

Accepted Answer

The angle of reflection equals the angle of incidence

Answer

The incident ray equals the reflected ray

Question 12

An object can be described as…

Accepted Answer

Opaque, Translucent, Transparent

Answer

Opaque, Transcription, Translation

Answer

Opaque, Transition, Transparent

Question 13

What line do we measure the angles from?

Accepted Answer

Normal line

Answer

Horizontal Line

Answer

Vertical Line

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