Question

Give any two examples of sound reflection ?​

Answer 1

$\large{\pmb{\underline{\underline{\sf{Reflection~ Of~ Sound:-}}}}}$

When a sound wave strikes a hard surface, it changes its direction and goes back to the same medium. This phenomenon is called a reflection of sound.

$\small{\pmb{\underline{\underline{\sf{Examples~ Of~ Reflection~ Of~ Sound:-}}}}}$

(a) Reflection of sound is used to measure the distance and speed of underwater objects. This method is known as SONAR.

(b) Working of a stethoscope is also based on reflection of sound. In a stethoscope, the sound of the patient’s heartbeat reaches the doctor’s ear by multiple reflections of sound.

Answer 2

(a) Reflection of sound is used to measure the distance and speed of underwater objects. This method is known as SONAR.

(b) Working of a stethoscope is also based on reflection of sound. In a stethoscope, the sound of the patient’s heartbeat reaches the doctor’s ear by multiple reflections of sound.