ICSE Class 10 Sound MCQ Semester 2

ICSE Class 10 Sound MCQ 2022

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ICSE Class 10 Sound MCQ HERE

The human ear responds to intensities in range

1. 10^-12Wm^-2 to 1Wm^-2
2. 15Wm^-2 to 18Wm^-2
3. 10⁸Wm^-2 to 2Wm^-2
4. 10^-3Wm^-1 to 10^-6Wm^-1

Sound waves are produced by

1. linear motion
2. circular motion
3. vibrating bodies
4. transitional motion

The loudness of sound varies directly with the vibrating body's

1. intensity
2. amplitude
3. pitch
4. quality

The sensation of sound persists in our brain for about

1. 0.001s
2. 0.2s
3. 0.1s
4. 10s

Sound energy passing per second through a unit area held perpendicular is called

1. intensity
2. frequency
3. amplitude
4. quality