Question

Mukul is a student of class VI. Once he was suffering from cold and cough. His mother took him to a doctor. The doctor examined him with the help of a 'Stethoscope'. On returning home, he asked his elder brother Shubham about the Stethoscope, who got him aware about it ? 1. What is Stethoscope ? State its application. 2. Name any other device which works on the same principle as being utilised in a Stethoscope. 3. What qualities are shown by Mukul and his brother Shubham.

Answer 1

1)

stethoscope is a device used by the doctors to listen to the heart beat.

2)

The stethoscope works on the principle of multiple regression of sound. This can be observed in the microphones and auditoriums.

3)

Mukul shows a curious behaviour towards the new things that appear in front of him and high observation power, whereas his brother is very keen to sharee the knowledge and is a responsible brother