light

A medium which partially allows the light energy to pass through it is called

• transparent medium

• translucent medium

• opaque medium

Which of the following is not needed for the formation of shadow?

• source of light

• glass plate

• opaque body

• screen

Solar eclipse lasts for

• 5-10 minutes

• an hour

• 25 seconds

Does light need a medium to travel?

• 
• 

1. Select the type of material that the definition and the picture represent.

• Transparent

• Translucent

• Opaque

What makes it possible to see an object when looking through a periscope?

• It contains mirrors that reflect the object.

• It magnifies small objects so they can be seen.

• It absorbs the light rays passing through it.

• It separates the light into different colors.

How does the light travels?

• in parallel

• in a straight line

• on its own orbit

• on its own path

How to increase the size of the shadow on the screen?

• Move the light source farther from the object

• Move the object closer to the screen

• Change the type of object used

• Move the object closer to the light source

There is no shadow formed on the screen. Why?

• The object is opaque

• The light source is too dim

• The object is transparent

• The object is translucent

This investigation is carried out to show that

• light travels in a straight line

• light can be seen through the holes

• light penetrates a transparent object

• light travels in many ways