GENERAL INSTRUCTIONS (Please read the following instructions very carefully)
1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
3. Do not refresh or back page.
4. Do not click the button Submit Test before completing the paper on Answer Sheet.
5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
6. Take photo of all the Sheets and make single pdf file.
1
A shrill sound has a ____ pitch and dull sound has a ____ pitch.
High, low
Low. high
low, low
high, high
2
To and fro motion of a particle about its mean position is called ________________
Harmonic motion
Simple motion
Oscillatory motion
Relative motion
3
Phon is unit of
Wavelength
Loudness
Frequency
Intensity
4
Which of the following musical instrument produces a sound of the lowest frequency ?
Sitar
Flute
Veena
Tabla
5
A form of energy which is caused by vibrations is known as ________________
heat energy
sound energy
light energy
chemical energy
6
Human being produce sound with the help of ________________________
Vocal cord
Syrinx
Vibrating wings
None of these.
7
Sound cannot travel in __________________.
Solid
Liquid
Gas
Vaccum
8
Loudness is determined by the _________ of vibration.
amplitude
frequency
wavelength
None of these
9
Sound cannot travel in __________________ .
Air
Glass
Iron
Vacuum
10
Loudness of sound is directly proportional to the ____________________
Amplitude of the wave
Distance from the source of sound
Frequency of the wave
Wavelength of the wave
11
Assertion : Sound waves cannot pass through vacumm.
Reason : Sound waves are mechanical waves, which do require a medium for their propagation.
If both assertion and reason are CORRECT, and reason is the CORRECT explanation of the assertion.
If both assertion and reason are CORRECT, but reason is NOT THE CORRECT explanation of the assertion.
If assertion is CORRECT, nut reason is INCORRECT.
If assertion is INCORRECT, nut reason is CORRECT.
12
__________________ is the characteristic of a musical sound by which a loud sound can be distingushed from a faint sound even though both have the same pitch.
Pitch
Quality
Amplitude
13
Which of the following are correct :
(a) Human being produce sound with the help of vocal cords.
(b) Human being produce sound with the help of syrinx.
Only (a) is correct.
Only (b) is correct.
Both (a) and (b) are correct.
14
(a) Sound needs a medium to propagate or travels
(b) Sound travels through solid liquid and gas
(c) Sound travels through vacuum.
Only (a) and (b) is correct.
Only (c) is correct.
Only (a) and (c) is correct.
15
(b) Insects like mosquitoes and bees, make their characteristic sounds by vibrating their wings rapidly.
(c) Birds have a ring of cartilage, called syrinx, in their wind pipe.
Only (a) and (b) are correct.
Only (b) and (c) are correct.
Only (a) and (c) are correct.
All of these.