Light

Diagram shows a phenomenon occurs when the spotlight is directed onto a mirror surface. What is the principle of light shown in the situation?

• Light travels in a straight line

• Refraction of light

• Reflection of light

• Light travels in parallel

Tags

NGSS.MS-PS4-2

The following diagram shows a driver who could see the image of a vehicle behind him without turning his back.

Why?

• Light travels in a straight line

• Light is refracted

• Light is reflected

• Light travels in two different mediums

Tags

NGSS.MS-PS4-2

Tick the correct of TWO devices which use the principle of light reflection in our daily lives.

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Tags

NGSS.MS-PS4-2

Spherical mirrors are part of a 

• Rectangle
• Cube
• Sphere
• Biryani

a mirror with a surface that curves inward like the inside of a bowl

• concave mirror
• convex mirror
• plane mirror
• flat mirror

Convex Mirrors produce...

• only virtual images
• virtual or real images
• only real images
• inverted images

Tags

NGSS.MS-PS4-2

Virtual Images are

• Always erect
• can be obtained on screen
• magnified or diminished
• all the above

convex mirrors are

• plane mirrors
• converging mirrors
• diverging mirrors
• smaller than concave mirrors

What word means to bend light rays toward each other?

• Converging light

• Diverging light

• Virtual Light

• Real Light

A dentist uses a small dental mirror to help magnify teeth in your mouth. What type of mirror is this?

• a convex mirror

• a concave mirror

• a convex lens

• a concave lens