WHAT IS SHADOW

DIFFERENT TYPE OF SHADOWS

What are shadows ?

What is a shadow?

What is a shadow ?What happens when an object is moved towards source of light ?

What is a shadow and why the house fly does not cast a shadow on the ground while flying ?

The height of a tower is 100 m. When the angle of elevation of sun is 30^(@) , then what is the shadow of tower?

What is to be done to see shadow ?