Sound Physics Test 01
Total Questions: 21
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A ) Sound wave ✅
B ) Light wave
C ) Radio wave
D ) Water wave
A ) By changes in air pressure ✅
B ) Buy vibration in wires or strings
C ) By electromagnetic waves
D ) buy infrared waves
A ) Electrical
B ) Mechanical ✅
C ) Thermal
D ) Chemical
A ) Sound waves travel very slowly in space.
B ) Sound waves travel very fast in space
C ) Sound waves cannect travel in space ✅
D ) Sound waves have low frequency in space
A ) Frequency
B ) Period
C ) Wavelength
D ) Amplitude ✅
A ) 10Hz and 10kHz
B ) 20Hz and 20kHz ✅
C ) 25H and 25kHz
D ) 30Hz and 30kHz
A ) (I) Only
B ) (ii) only
C ) (i) and (ii) only ✅
D ) (i) and (iii) only
A ) Loudness
B ) Amplitude
C ) Area
D ) Pitch ✅
A ) 336ms-1
B ) 343ms-1 ✅
C ) 430ms-1
D ) 470ms-1
A ) 100,000Hz
B ) 25000Hz
C ) 120,000Hz ✅
D ) 1000Hz
A ) Wm-1
B ) Wm
C ) Wm-² ✅
D ) Wm²
A ) Weight
B ) Speed
C ) Mass ✅
D ) Distance
A ) 331ms-¹ ✅
B ) 23s-¹
C ) 376ms-¹
D ) 386ms-¹
A ) Higher ✅
B ) Less
C ) Equal
D ) Less and equal
A ) 3880 m/s
B ) 5950 m/s
C ) 6030 m/s
D ) 5960 m/s ✅
A ) 20,000Hz - 25000Hz ✅
B ) 2000Hz - 25000Hz
C ) 200KHz - 2000 Hz
D ) 2500 KHz
A ) 1dB
B ) 20dB
C ) 30dB
D ) 10dB ✅
A ) 10m
B ) 15m
C ) 17m ✅
D ) 20m
A ) 1000 Hz
B ) 15000 Hz ✅
C ) 20000 Hz
D ) 10000 Hz
A ) 70dB
B ) 40dB ✅
C ) 10dB
D ) 120dB
A ) Wm-¹
B ) Wm
C ) Wm-² ✅
D ) Wm²