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Chapter 21: Geometric optics

Authored by amin najwan

Physics

12th Grade - University

Used 16+ times

Chapter 21: Geometric optics
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50 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Your image behind a plane mirror is at a distance equal to

a. half your height.

b. half your distance from the mirror.

c. your distance in front of the mirror.

d. slightly more than your distance in front of the mirror.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Refraction occurs when a wave crosses a boundary and changes

a. speed and direction.

b. intensity.

c. frequency.

d. amplitude.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The concave mirror has it's reflected area 

inwards 
outwards

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What type of image does this lens form?

Virtual image
Real Image
No Image

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Compared to the object in front the lens, its image is.....

inverted and diminished

inverted and magnified

upright and diminished

upright and magnified

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Concave lenses always produce images that are

Virtual, upright, diminished

Real, inverted, magnified

Real, inverted, diminished

Virtual, upright, magnified

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A lens that curves inwards

Converse

Convex

Convection

Concave

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