Light, Shadows and Reflection

When light source is blocked by an opaque object it forms a _________

• Reflection

• Shadow

• An Image

• Light

The materials that are needed to form a shadow are:

• Hole

• Screen

• Water

• Source of light

• Opaque object

We need _______ to see our surroundings

The shadow of an object is:

• White

• Orange

• Black

• It depends on the colour

Which of the following are transparent?

Glass, rubber, water, a bed

• Water and rubber

• Glass and water

• Glass, rubber and a bed

• Glass and a bed

Light travels through:

• A zig-zag path

• A curved path

• A straight path

Can you see your reflection in a dark room?

• Yes, because we are capable of seeing clearly in the dark. And a mirror does not need a source of light to reflect objects

• No, because an image is formed only when the light get reflected by the mirror

What is a pinhole camera?

• A pinhole camera is a simple camera without a lens but with a tiny aperture

• Light from a scene passes through the aperture and projects an inverted image on the opposite side of the box, which is known as the camera obscura effect.

• It is used to take pictures

A shadow falls on a _______

Objects that produce their own light are called _______

• Gleaming objects

• Luminous objects

• Scintillating objects

• Lustrous objects