Write about two everyday situations that tell you that light travels in a straight line.

Light is a from of energy and it travels in a straight line.

_____ is a from of energy and it travels in straight line.

Write about any two dairy product.

Light travels along a _________ line.

Write the required Equations of motion in a straight line.

Which of the following facts explain how shadows are formed?(a)light travel in straight lines (b).Opaque bodies do not allow light to pass through them.(c)Reflection occurs at a smooth surface like mirrors.(d).Lateral inversion happens