Question : Quality of a musical note depends on:

Option 1: Fundamental frequency

Option 2: Amplitude of the wave

Option 3: Harmonics present

Option 4: Velocity of sound in the medium

Question : Which of the following determines the pitch of a sound?

Option 1: Amplitude

Option 2: Frequency

Option 3: Loudness

Option 4: Wavelength

Question : In which year was the Doppler effect discovered by Austrian scientist Christian Doppler, which describes the change in frequency of any kind of sound or light wave produced by a moving source concerning an observer?

Option 1: 1846

Option 2: 1844

Option 3: 1842

Option 4: 1840

Question : The intensity of any wave is proportional to which of the following?

Option 1: Amplitude

Option 2: The square of the amplitude

Option 3: The square root of the amplitude

Option 4: Cube of amplitude

Question : Identify the correct statement

Option 1: The resistance of a wire depends on the length and density of the wire.

Option 2: Specific resistance is the same for all conductors.

Option 3: The resistance of a wire depends on the length and cross-section of the wire.

Option 4: Specific resistance is dependent on the cross-sectional area of the wire.