Light

What is the characteristic of the object that forms a shadow?

• Transparent

• Translucent

• Dull and shiny

• Opaque

Which of the following shows refraction of light?

• 
• 
• 

A transparent object is an object which allows ________ light to pass through it.

• no

• all

• some

The following shows application of reflection of light in daily life except _________________

• A customer at a salon can see the image of the back of her head through the mirror

• A shadow forming in front of a girl

• Customer at a shoe shop can see the image of the shoes worn using the mirror

• Navy personnel in a submarine can see the object at the surface of the sea using a periscope.

The light directed onto the the mirror's surface is called as the_________________

• reflected ray

• ray diagram

• incident ray

• angle

The light reflected from the mirror's surface is known as the _________________

• reflected ray

• ray diagram

• incident ray

• angle

Which of the following factor affects the size of a shadow?

• Orientation of the object

• Position of the light source

• Distance between the object and the light source

Which of the following object affects the shape of a shadow?

• Orientation of the object

• Distance between the object and the light source

• Distance between the object and the screen

The diagram shows a tool. Which of the following property of light is applied in the usage of this tool?

• Reflection of light

• Ray diagram

• Refraction of light

• Formation of shadow

An old man stands in front of a wall. Which of the following tool could he use to see the object behind the wall?

• Kaleidoscope

• Magnifying glass

• Binoculars

• Periscope