Verification of the Laws of Reflection of Sound

Viva Questions

Ques 1: What is the SI unit of frequency of sound?
Ans 1: SI unit of frequency of sound is Hz.

Ques 2: What is the way to produce sound?
Ans 2: By vibrating an object, we can produce sound.

Ques 3: What is the audible frequency range for human?
Ans 3: 20 Hz to 20000 Hz.

Ques 4: What is ultrasonic sound?
Ans 4: Sound of fr…