G 7 Light- Revision

Name a simple device that works on the principle that light travels along a straight line

• Sun
• Transparent
• Pinhole Camera

Mention the nature of the images formed in the plane mirror.

• Always have inverted image
• Image is laterally inverted
• object's distance is equal to the image's distance from the mirror
• Does not have a reflecting surface

Which of the following options uses concave mirrors

• rear view mirror
• solar ovens
• eye glasses
• magnifying glass

An image that cannot be obtained on a screen is called

• Real image
• virtual image
• Straight image

In a plane mirror,

• the image is always inverted and magnified
• used by dentists
• image is used as magnifying glass
• image is erect and same size as object

This image is an example of

• Regular reflection
• Specular reflection
• Diffused reflection

This diagram should be drawn in class notebook for practice and Label the parts. Identify the name of 3 from below options

• incident line
• reflected line
• Normal line
• Mirror line

Draw the given image in your notebook for practice. Label all the parts A, B ,C in notebook. Answer the name of the label C for the figure given

• virtual image
• real image
• object
• mirror

Draw the below diagram in your class notebook for practice. Choose the correct order for the colours from 1 to 7 from the below options.

• IBGVOUY
• ROYGBIV
• GIBROVY
• VIBGYOR

Draw the diagram in your notebook for practice and label the parts. Choose correct options for A and B from options given below.

• Mirror
• lens
• paper
• water