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คุณสมบัติของแสง

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.

This polar bear is happy because someone gave him a pumpkin to play with. But, this polar bear is sad because it looks like his head is no longer attached to his body. :( What property of light creates this optical illusion?

a)

Refraction

b)

Reflection

c)

Transparency

d)

Opaqueness

2.

This lake's water is so calm that it looks like a huge mirror on the ground. What property of light creates this optical illusion?

a)

Refraction

b)

Reflection

c)

Transparency

d)

Opaqueness

3.

This material allows almost ALL of the light to pass through it. This material is:

a)

Transparent

b)

Translucent

c)

Opaque

d)

Transaction

4.

This material allows almost SOME of the light to pass through it. This material is:

a)

Transparent

b)

Translucent

c)

Opaque

d)

Transaction

5.

These toys are blocking all of the light, creating black shadows on the wall. These toys block all of the light, because they are made of materials that are:

a)

Transparent

b)

Translucent

c)

Opaque

d)

Transaction

6.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
7.

A straw sitting in a glass of water looks broken because light travels more slowly through the water than air. This is an example of ____________.

a)

Reflection

b)

Refraction

c)

Absorbing

d)

Transmitting

8.
Light bouncing off a mirror is an example of...
a)
Refraction
b)
Reflection
9.

When light hits an area and bounces back it is called:

a)

echo

b)

refraction

c)

reflection

d)

absorbing

10.
The pictures shows what a student observed when he looked through a hand lens at a penny.
What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is-
a)
absorbed
b)
reflected
c)
refracted
d)
stopped
11.
If someone is wearing a black shirt in the sunshine, what will the black do to the light?
a)
Reflect it
b)
Absorb it
c)
Refract it
d)
Diffuse it
12.
If light strikes a mirror at a 50⁰ angle, what angle will it come off of the mirror?
a)
50⁰
b)
70⁰
c)
45⁰
d)
30⁰
13.
Which color absorbs all light?
a)
White
b)
Black
c)
Orange
d)
Green
14.
Which color reflects all light?
a)
White
b)
Black
c)
Orange 
d)
Green
15.
Transfer of energy when a wave disappears into a surface
a)
Transparent
b)
Refraction
c)
Reflection
d)
Absorption
16.
Blurs light as it passes through
a)
Transparent
b)
Translucent
c)
Opaque
d)
Refraction
17.
Light bending as it passes from one medium (object) to another is...
a)
Refraction
b)
Reflection
18.
What causes light to appear refracted?
a)
temperature
b)
speed
c)
weather
d)
climate
19.
How does light behave as it enters these mediums?
a)
continue its path as straight line.
b)
bends toward the normal
c)
bends away from the normal
d)
reflects
20.
Light changes speed as it travels through various mediums.  What are examples of mediums that light can travel through.
a)
snow and ice
b)
air and water
c)
cloth and wood
d)
glass and wood