Unit 11 Sound Physics 10th Class Sindh MCQ Tests
10th Class Physics Unit 11 MCQ Tests
Unit 11 of 10th Class Physics has 38 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 38
Total Marks: 38
Time: 40 Mins
Total Questions: 38
Total Marks: 38
Time: 40 Mins
40Min : 00 Sec Remaining
Question # 1
A source of frequency of 500 Hz emits waves of wavelength 0.4 m, how long does the waves take to travel 600 m?
Question # 2
Echo may be heard more than once due to which of the following phenomena?
Question # 3
Sound waves cannot travel through which of the following mediums?
Question # 4
Tuning fork A has frequency of 264 Hz and tuning fork B has frequency of 512 Hz. Which of these tuning forks will emit sound of higher pitch?
Question # 5
The frequency of a wave travelling at a speed of 500 m/s?is 25 Hz. Its time period will be ______.?
Question # 6
You probably would have noticed that during a thunderstorm, you see a lightning flash before you hear the thunder. Why is it so?
Question # 7
A Sound is reflected from a wall that is 17 m away from the observer and echo is heard by the observer. The time interval between sound and its echo is 0.1 s, as measured by the observer. What is the speed of sound?
Question # 8
Which of the following will remain unchanged when a sound wave travels in air or in water?
Question # 9
Sound travels faster in which of the following materials?
Question # 10
The minimum distance between the source and the reflector, so that an echo is heard is approximately equal to ______.
Question # 11
If we tighten the strings of an instrument, what will happen to the pitch?
Question # 12
A sound is said to be of rich quality when it contains which of the following factors?
Question # 13
A sound is said to be of rich quality when it contains which of the following factors?
Question # 14
What is the characteristic of sound on the basis of which two sounds of same frequency and loudness are distinguished?
Question # 15
Which type of material is used in order to reduce the noise and intensity of sound?
Question # 16
Wavelength of ultrasonic waves is
Question # 17
The speed of sound is greatest in which of the following media?
Question # 18
Speed of sound in liquid is
Question # 19
Which device is used by doctors to hear the noise of human body organs?
Question # 20
Voice of a friend is recognized by its
Question # 21
Change in which of the following causes the quality of a note to change?
Question # 22
Sound travel faster in which of the following materials?
Question # 23
The same note being played on sitar and veena differ in which of the following factors?
Question # 24
Pitch of sound depends on which of the following factors?
Question # 25
The time period of a vibrating body is 0.05 s. The frequency of waves it emits is
Question # 26
Sound is the energy that travels in the form of waves. What is the source of sound?
Question # 27
A sound source sends waves of 400 Hz. It produces waves of wavelength 2.5 m. The velocity of sound waves is
Question # 28
Bats can hear frequencies up to
Question # 29
An ultrasonic wave is sent from a ship towards the bottom of the sea. It is found that the time interval between the sending and receiving of the wave is 1.6 s. What is the depth of the sea, if the velocity of sound in the seawater is 1400 m s − 1 ?
Question # 30
Which of the following behaviors can be explained with weber\'s law?
Question # 31
Which of the following laws states that it is harder to tell the difference between two stimuli at higher levels of intensity as compared to lower levels of intensity?
Question # 32
What is the value of speed of sound at standard pressure and room temperature?
Question # 33
Loudness of sound depends on which of the following factors?
Question # 34
Pitch of high frequency sound is
Question # 35
A normal human ear can hear a sound, its loudness range is
Question # 36
Pitch of sound depends upon
Question # 37
Sound energy passing per second through a unit area held perpendicular is called
Question # 38
An ultrasonic wave is sent from a ship towards the bottom of the sea. It is found that the interval between time of sending and time of receiving the wave is 1.6 s. What is the depth of the sea, if the velocity of sound in the seawater is 1400 m s − 1?
Total Questions
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Question # 1
A source of frequency of 500 Hz emits waves of wavelength 0.4 m, how long does the waves take to travel 600 m?
Question # 2
Echo may be heard more than once due to which of the following phenomena?
Question # 3
Sound waves cannot travel through which of the following mediums?
Question # 4
Tuning fork A has frequency of 264 Hz and tuning fork B has frequency of 512 Hz. Which of these tuning forks will emit sound of higher pitch?
Question # 5
The frequency of a wave travelling at a speed of 500 m/s?is 25 Hz. Its time period will be ______.?
Question # 6
You probably would have noticed that during a thunderstorm, you see a lightning flash before you hear the thunder. Why is it so?
Question # 7
A Sound is reflected from a wall that is 17 m away from the observer and echo is heard by the observer. The time interval between sound and its echo is 0.1 s, as measured by the observer. What is the speed of sound?
Question # 8
Which of the following will remain unchanged when a sound wave travels in air or in water?
Question # 9
Sound travels faster in which of the following materials?
Question # 10
The minimum distance between the source and the reflector, so that an echo is heard is approximately equal to ______.
Question # 11
If we tighten the strings of an instrument, what will happen to the pitch?
Question # 12
A sound is said to be of rich quality when it contains which of the following factors?
Question # 13
A sound is said to be of rich quality when it contains which of the following factors?
Question # 14
What is the characteristic of sound on the basis of which two sounds of same frequency and loudness are distinguished?
Question # 15
Which type of material is used in order to reduce the noise and intensity of sound?
Question # 16
Wavelength of ultrasonic waves is
Question # 17
The speed of sound is greatest in which of the following media?
Question # 18
Speed of sound in liquid is
Question # 19
Which device is used by doctors to hear the noise of human body organs?
Question # 20
Voice of a friend is recognized by its
Question # 21
Change in which of the following causes the quality of a note to change?
Question # 22
Sound travel faster in which of the following materials?
Question # 23
The same note being played on sitar and veena differ in which of the following factors?
Question # 24
Pitch of sound depends on which of the following factors?
Question # 25
The time period of a vibrating body is 0.05 s. The frequency of waves it emits is
Question # 26
Sound is the energy that travels in the form of waves. What is the source of sound?
Question # 27
A sound source sends waves of 400 Hz. It produces waves of wavelength 2.5 m. The velocity of sound waves is
Question # 28
Bats can hear frequencies up to
Question # 29
An ultrasonic wave is sent from a ship towards the bottom of the sea. It is found that the time interval between the sending and receiving of the wave is 1.6 s. What is the depth of the sea, if the velocity of sound in the seawater is 1400 m s − 1 ?
Question # 30
Which of the following behaviors can be explained with weber\'s law?
Question # 31
Which of the following laws states that it is harder to tell the difference between two stimuli at higher levels of intensity as compared to lower levels of intensity?
Question # 32
What is the value of speed of sound at standard pressure and room temperature?
Question # 33
Loudness of sound depends on which of the following factors?
Question # 34
Pitch of high frequency sound is
Question # 35
A normal human ear can hear a sound, its loudness range is
Question # 36
Pitch of sound depends upon
Question # 37
Sound energy passing per second through a unit area held perpendicular is called
Question # 38
An ultrasonic wave is sent from a ship towards the bottom of the sea. It is found that the interval between time of sending and time of receiving the wave is 1.6 s. What is the depth of the sea, if the velocity of sound in the seawater is 1400 m s − 1?
Total Questions
1234567891011121314151617181920212223242526272829303132333435363738
Physics MCQ Test by Topics
- +11.1 SOUND WAVES
- +11.1 SOUND IS PRODUCED BY A VIBRATING BODY
- +11.1 Sound Requires Material Medium for its Propagation
- +11.1 Longitudinal Nature of Sound Waves
- +11.2 CHARACTERISTICS OF SOUND
- +11.3 REFLECTION (ECHO) OF SOUND
- +11.4 SPEED OF SOUND
- +11.5 NOISE POLLUTION
- +11.6 IMPORTANCE OF ACOUSTICS
- +11.7 AUDIBLE FREQUENCY RANGE
- +11.8 ULTRASOUND
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