Law of Reflection

6.8Making measurements: the law of reflection

by hanan khalil

watch ​

https://youtu.be/mxbdJ9G5R4g​

Law of Reflection - Labelled diagram

You can open this webpage in a new tab.

Copy link

Open in new tab

Multiple Choice

In the diagram, which letter represents the angle of incidence?

• A

• B

• C

• D

Multiple Choice

Which diagram represents specular reflection?

• A

• B

Multiple Choice

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

• equal
• double
• half

Multiple Choice

........... – the angle between the normal and the reflected ray.

• Angle of incidence
• Angle of reflection
• Angle of coincidence
• Angle of direction

Multiple Choice

What is reflection?

• Reflection is the bouncing  of light off the surface that it strikes on.
• Reflection is the absorbing of light off the surface that it strikes on.
• Reflection is the bending of light off the surface that it strikes on.
• Reflection is the scattering of light off the surface that it strikes on.

Multiple Choice

........... – the angle between the normal and the incident ray.

• Angle of incidence
• Angle of reflection
• Angle of coincidence
• Angle of direction

Multiple Choice

The ray of light that strikes a reflecting surface is called ________.

• incident ray
• reflected ray
• normal ray
• none of the above

Multiple Choice

The imaginary line perpendicular to a reflecting surface is called _____.

• crooked line
• parallel line
• angular line
• normal line

Multiple Choice

If the angle of incidence is 45 degree, what is the angle between the incident ray and reflecting surface

• 45
• 90
• 180
• none of the above

Multiple Choice

If the angle of incidence is 45 degree, what is the angle between the incident ray and reflecting surface

• 45
• 90
• 180
• none of the above

Multiple Select

The image formed in a plane mirror is

• real image

• the same size as the object​

• bigger than the object

• virtual image

• in front of the mirror.

Multiple Choice

Why can you see most objects? 

• they emit light
• light refracts through them
• light reflects off them
• They absorb light

Multiple Choice

What is the line MN called in the given diagram
                               

• incident ray
• reflected ray
• reflecting surface
• normal

Multiple Choice

Which of these is the best reflector of light?

• shiny metal
• white paper
• carpet
• wood

Multiple Choice

The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:

• mirror
• laser
• reflection
• refraction

Multiple Choice

Which diagram represents diffuse reflection?

• A

• B

• C

• D

Multiple Choice

Light is a kind of.....

• reflection
• energy
• heat
• matter

Multiple Choice

What surface best reflects light?

• dull
• shiny
• clear
• black

Multiple Choice

where are periscopes used ?

• fire departments

• submarines

• hospitals

Multiple Select

which of the following properties are used while using the periscope ?

• gravitational force

• reflection of light

• property of lights and beams

• instrument based of multiple reflections

Multiple Choice

when light rays strike an opaque surface and bounce back into the same medium, then the reflection of light occurs

• true

• false

Multiple Choice

How many mirrors there are in the periscope?

• 5

• 4

• 3

• 2

Multiple Choice

How does periscope works?

• A periscope works by using two mirrors to reflect light from one mirror to another for the person to see the things that is behind a high obstacle.

• It works by using one mirror to reflect for us to see things behind a high obstacle.

• It works by using one glass to reflect for us to see things behind a high obstacle.

Multiple Choice

What is the working principle of a periscope?

• A periscope works on the Refraction of Light.

• A periscope works on the Law of Reflection.

• A periscope works on the Dispersion of Light.

Multiple Choice

What is the type of mirror use in periscope?

• Convex mirror

• Concave mirror

• Plane mirror