Light, Sound an...

Select the odd one out.

Ritu cannot hear what Megha is saying, X must be ______.

Sahil shone a torch and blew a horn at the same time, while standing at 15m distance from Amit. Amit will _______.

X is a force that works in the opposite direction of movement of an object in contact with a surface. It is _____.

Look at the picture and select the correct option regarding it.

The object shown here, does not cast a shadow. It is most likely made up of X material. X could be

Select the odd one out on the basis of type of mechanical force involved.

Four boys rolled oil drums of the same weight and size up the ramps of different heights as shown here. Which one of them put the most effort?

The given diagram shows a fishing boat which sends out ultrasound waves that return after a few seconds. Select the correct statement regarding this.

Aman went to watch a football match. He wrote his experience on a picture card as shown here.

His father explained that it is the force applied on the football which causes it to _____.