Worksheetspropagation of light
Total questions: 26
Worksheet time: 15mins
Opaque means...
No light passes through it
All light passes through it
Some light passes through it
Blurs light as it passes through
Transparent
Translucent
Opaque
Refraction
The term for any wave that hits a surface and bounces off
Translucent
Transparent
Refraction
Reflection
In a homogenous and transparent medium, light travels along a straight path.
True
False
A virtual image can be collected on a screen.
True
False
In a cylindrical luminous beam, rays start from one point.
True
False
The speed of light in air is greater than its speed in vacuum.
true
False
The picture that represents the eclipse of the sun is
A
B
A and B
no one
Which color absorbs ALL light colors?
yellow
white
black
red
Transparent
A material that allows some light to pass through it
a material that allows light to pass through it
Things make shadows because they ______ light.
BLOCK
PASS
What happens when light hits an object?
Some of the light jumps in different directions
(bounces)
Some of the light gets absorbed by the object.
Some of the light bounces back to your eye
ALL of them.
The dark patches are formed behind the objects are called
Clear images
Dark images
Dim images
Shadow
Fire fly is a
Non-living luminous body
Plant body
Living luminous body
Heavenly body
Which of the following is an example of a translucent object?
A thin sheet of paper
A thin glass slab
A thin iron sheet
All of these
Bouncing back of light from shining surfaces is called
Dispersion
Refraction
Reflection
Total internal reflection
(a) is a source that enables to see the things around us.
Candles, oil lamps and earthen lamps are (a) sources of light.
Why we cannot see our image in the mirror in complete dark room?
_______________ and _______________ objects are essential for the formation of shadows on a screen
(a)
Which of the statement is true
Defined as light reflected from a smooth surface
Reflection is a form of energy essential for life on earth
Reflection is a very narrow path of life
Reflection occurs on a full moon day
What tool is use to reflect the rays of the torch
comb
headphone
plane mirror
car
What is a non luminous object
Object that does not emit their own light
object that emit their own light
Objects which do not twinkle
Objects which twinkles
What are rays
is a beam
is called rectilinear propagation
narrow path of light
it is a luminous object
Name in which situation reflection of light happens
on a new moon day
on a full moon day
solar and lunar eclipse
only lunar eclipse
how is a solar eclipse formed
When the sun the moon and the earth are in straight line
When the earth the moon the sun will not come in a straight line
only the sun and the earth comes together
only the sun come in a straight line with moon
