Read the Assertion (A) and Reason (R) carefully. Choose the option that correctly describes their relationship:
1.Assertion (A): A tuning fork produces sound when it is struck.
Reason (R): Striking the tuning fork makes its prongs vibrate, and these vibrations disturb the surrounding medium.
Reason (R): Striking the tuning fork makes its prongs vibrate, and these vibrations disturb the surrounding medium.
2. Assertion (A): A sonic boom is a sudden loud sound associated with a supersonic aircraft.
Reason (R): A supersonic aircraft travels at a speed greater than the speed of sound.
Reason (R): A supersonic aircraft travels at a speed greater than the speed of sound.