GRADE VI -LIGHT

Objects which emit the light of their own are called

• luminous

• non luminous

• opaque

• transparent

An inverted image is the characteristics of a---------

• shadow

• pinhole camera

• reflected image

• Laterally inverted image

Where is a shadow formed

• In front of the object

• On the ground either in front or behind the object

• On a screen behind the object

• Any where and every where

The shadow of a cylinder is a rectangle when light falls in one direction and a -----when light falls in the other direction

• sheet

• Line

• Circle

• None

Shadow is formed because

• Light has lot of energy

• Light has attracted to a magnet

• Light travels in straight line

• Light cant travel

Sharp shadow is formed because

• opaque object

• translucent

• Transparent

• Any object

In a completely dark room ,if you hold up a mirror in front of you then what v will you see

• your shadow

• A sharp shadow

• your image

• no image

Air ,water and a sheet of polythene are

• Transparent

• translucent

• opaque

• luminous

Which of the following objects is not luminous

• Fluorescent tube when switch on

• Flame of gas burner

• Fire fly

• moon

What is the colour of the shadow formed in a different coloured objects ?

• white

• yellow

• black

• red