Question

Ekmanoor was asked by his science teacher to make a model of a stethoscope with a funnel, a rubber tube and a balloon. While he was making this model at home, his younger brother asked him about his work. What would he have answered?​

Answer 1

Answer

He would have answered that he is making a setheskope with a funnel , rubber tube and balloon

Explanation

How to actually make it -

Aim - To make a model of setheskope

Apparatus - small funnel ,rubber tube ,rubber band ,rubber sheet

Procedure - take a funnel fire rubber tube tightly on the stem of final stretch a rubber band on the mouth of the funnel and fix a tightly with a rubber band

Observation - if you keep the funnel on your chest near heart and open end on one of our ears we can listen are heartbeat

Inference - sound waves passes through the tube and reaches

Hope it helped !!!