Light class 7

Latha is observing her image in a plane mirror. The distance between the mirror and her image is 6 m. If she moves 2m towards the mirror then the distance between latha and her image will be

• 8 m

• 4 m

• 10 m

• 5 m

Images that can't be captured on a screen are called

• Real image

• Virtual image

• Proper image

• Imaginary image

Convex lens is also called as

• Diverging lens

• Converging lens

• Plane lens

• Power lens

What kind of image formed by concave lens?

• Virtual

• Real

• Both

• None

As the distance of the object from the mirror increases the distance of the image also increases

• True

• False

• Both

• None

When you shine sunlight through a magnifying glass onto a piece of paper, you can sometimes set the paper on fire. Why does this happen?

• The glass of the magnifier heats up.

• The energy of the Sun is focused in one small place.

• The energy of the Sun is spread out over the whole piece of paper.

• Sunlight sets everything on fire if it sits still long enough.

7. When light bounces off a mirror, it is __________.

• Absorbed

• Reflected

• Corrected

• Refracted

a flat sheet of glass that has a smooth, silver-colored coating on one side

• plane mirror
• concave mirror
• convex mirror
• solid mirror

Tags

NGSS.MS-PS4-2

The following is a picture of what type of mirror? 

• Convex (diverging) mirror
• Concave (converging) mirror
• Plane Mirror
• Flat Mirror

The following is a picture of what type of mirror? 

• Convex (diverging) Mirror
• Concave (converging) Mirror
• Plane Mirror
• Flat Mirror

Tags

NGSS.MS-PS4-2