Conceptual Questions Chap # 11 – Physics 10th

Physics Notes for 10th Class Chapter-11

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Sounds:

The most interesting and important Subject Physics of 10th Class Chapter-11. Student want to know the important Questions and  physics notes for 10th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

Here are important MCQs for 10th Class, Physics Chapter # 11

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1 / 64

Intensity is a ____________quantity.

2 / 64

Sound can travel only in presence of _______

3 / 64

Frequency of silent whistle Lies between__________

4 / 64

_____________waves carry more energy and higher frequency than sound waves.

5 / 64

Sound is produced by__________

6 / 64

Sound waves with frequency less than 20Hz are called _____________

7 / 64

The speed of sound in solid is about _____________ times that in gases.

8 / 64

The study of sound is called______

9 / 64

Which is an example of a longitudinal wave.

10 / 64

The speed of sound varies with_______________

11 / 64

For hearing distinct echoes, the minimum distance of obstacle from source of source of sound must be__________

12 / 64

Loudness of sound depends on_________

13 / 64

The intensity of sound depends on the ___________ of sound.

14 / 64

Characteristic by which we can distinguish between two, sounds of same loudness and pitch is called _____

15 / 64

Corresponds to irregular and sudden vibrations produced by some sound ___________

16 / 64

Which form of energy is sound?

17 / 64

Multiple reflections called ___________

18 / 64

Sound is ____________Wave.

19 / 64

Old people cannot hear sound even above ____________

20 / 64

Bats can hear Frequencies up to_______________

21 / 64

Ultrasonics are used to locate under water depth the technique is called_____________

22 / 64

Which are the acoustic protection except ___________

23 / 64

The speed of sound in air was first scene measured in ____________

24 / 64

Intensity of whispering is ____________

  • 10-5 Wm-2
  • 10-8Wm-2
  • 10-9Wm-2
  • 10-12 Wm-2

Which Option is Correct ?

25 / 64

Audible frequency range is ____________

26 / 64

Ultrasonics are used to measure the depth of Water by____________

27 / 64

Noise correspond ____________ vibration.

28 / 64

The Level of noise recommended in most of countries is ________

29 / 64

Researcher in __________ observed giraffes to stop and wait for the others that were out of sight.

30 / 64

Compressions are places Where air is slightly _______________ than the surrounding air.

31 / 64

By using an ____________ we can see sound wave.

32 / 64

Ultrasound is the frequency of sound higher than ___________

33 / 64

Intensity of faintest sound is __________

  • 1012 Wm-2
  • 10-12 Wm-2
  • 10-8Wm-2
  • 10-9Wm-2

Which Option is Correct ?

34 / 64

Mice can hear frequencies up to ___________

35 / 64

The method used to absorb undesirable sound by soft and porous surface is called ________

36 / 64

Astronauts in space need to communicate with each other by radio links because______

37 / 64

Voice of Child is _______________

38 / 64

Intensity of loudest audible sound is__________

  • 10-12Wm-2
  • 1 Wm-2
  • 20Wm-2
  • All of these

Which Option is Correct ?

39 / 64

1 bell is equal to ____________

40 / 64

Distance between two consecutive compressions and rarefactions is the _______ of sound wave.

41 / 64

Which bird fly easily between wires in the black room.

42 / 64

Pitch of sound depends on_____________

43 / 64

The range of the frequency which human ear can hear is called___________

44 / 64

Such sound Which are pleasant to our ears are named as ____________

45 / 64

By ultrasonic waves ____________ can be destroyed.

46 / 64

Refractions are places where air is slightly _____________ than the surrounding air.

47 / 64

The loudness of sound is directly proportional to logarithm of intensity, this Law is called _______

48 / 64

How does sound travel from its source to your ear?

49 / 64

We hear sound produce by musical instrument such as _____________

50 / 64

The speed of sound in solid is______________ than liquid and air.

51 / 64

Powerful ultrasound is now being used to remove blood clot from _________

52 / 64

For a normal person audible frequency range for sound wave lie between____________

53 / 64

The amplitude of 100 dB sound is ___________

54 / 64

The speed of sound in air at a2 atm pressure and at room temperature (21°C) is _______

55 / 64

When the frequency of a sound wave is increased, which of the following will decrease?

56 / 64

The sensation of sound persists in our brain about ___________

57 / 64

When the frequency of sound wave is increased, them which of following decrease?

58 / 64

For a normal person, audible frequency range for sound wave lie between_________

59 / 64

According to wave equation v= fλ the wavelength of ultra-sonic waves are ____________

60 / 64

Noise has negative effects on human health it causes except ____________

61 / 64

The Loudness of a sound is most closely related to its_______

62 / 64

Such sounds which are unpleasant to our ears are called ____________

63 / 64

____________ is the characteristic of sound by which we can. distinguish between a shrill and a grave sound.

64 / 64

By which waves small cracks can appear___________

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MCQs Chap # 11 – Physics 10th

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(Correct Answers has shown at front end of each question)

Solved Numericals Chap # 11 – Physics 10th

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Short Questions Chap # 11 – Physics 10th

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Long Questions Chap # 11 – Physics 10th

(Download in pdf format)

Conceptual Questions Chap # 11 – Physics 10th

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Physics Notes, Numerical for Class 10th

If your are talking about the Study material of Class 10th Physics Notes chapter-11, Physics Notes for 10th Class Chapter-11, eStudent.pk is providing same helpful content against each chapter of Physics Class 11 notes pdf downloadable format of PTB book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 10th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter for adamjee notes class 10 Physics 2022, adamjee notes for class 10 Physics, adamjee notes for class 10, adamjee notes. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

Chapter-10 – Simple Harmonic Motion and Waves

Chapter-11 – Sounds

Chapter-12 – Geometrical Optics 

Chapter-13 – Electrostatics

Chapter-14 – Current Electricity

Chapter-15 – Electromagnetism 

Chapter-16 – Basic Electronics 

Chapter-17 – Information Technology 

Chapter-18 – Atomic and Nuclear Physics

Pairing Scheme for 2021 – Physics 10th Class

 

Physics Notes for 10th Class: 

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