What are (i) audible frequency, (ii) infra-sonics and (iii) ultra-sonics ?

Explain the terms (i) fundamental frequency (ii) harmonics and (iii) overtones.

What is the range of frequencies associated with (a) infra sound (b) ultrasound ?

What are sonic booms?

What is the fundamental frequency of vibration of air in (i) an open pipe and (ii) a closed pipe.

The diagram in Fig. shows three ways in which a string of length I in an instrument can vibrate. What is the ratio of frequency of vibrations in diagrams (i) and (ii) ?

Give the frequency ranges of the following (i) High frequency band (HF) (ii) Very high frequency band (VHF) (iii) Ultra high band (UHF) (iv) Super high frequency band (SHF).

Let Aa n dB be two 2xx2 matrices. Consider the statements (i) A B=O => A=OorB=O (ii) A B=I_2 =>A=B^(-1) (iii) (A+B)^2=A^2+2A B+B^2 (a)(i) and (ii) are false, (iii) is true (b)(ii) and (iii) are false, (i) is true (c)(i) is false (ii) and, (iii) are true (d)(i) and (iii) are false, (ii) is true

A string vibrates with a natural frequency of 256 Hz. Which of the tuning fork given below will resonate with the string ? (i) A of frequency 512 Hz, (ii) B of frequency 256 Hz, and (iii) C of frequency 128 Hz. Give reason.

Define the following terms: (i) Observations (ii) Raw data (iii) Frequency of an observation (iv) Frequency distribution (v) Discrete frequency distribution (vi) Grouped frequency distribution (vii) class-interval (viii) Class-size (ix) Class limits (x) True class limits

Which of the following quantity determines the loudness of a sound wave ? (i) wavelength, (ii) frequency, and (iii) amplitude.