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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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Physics Ch-11, 10th

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1 / 64

By ultrasonic waves ____________ can be destroyed.

2 / 64

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

3 / 64

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

4 / 64

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

5 / 64

Intensity of whispering is ____________

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

Which Option is Correct ?

6 / 64

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

7 / 64

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

8 / 64

Frequency of silent whistle Lies between__________

9 / 64

By which waves small cracks can appear___________

10 / 64

Which form of energy is sound?

11 / 64

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

12 / 64

We hear sound produce by musical instrument such as _____________

13 / 64

The amplitude of 100 dB sound is ___________

14 / 64

Which is an example of a longitudinal wave.

15 / 64

Pitch of sound depends on_____________

16 / 64

Ultrasound is the frequency of sound higher than ___________

17 / 64

Sound is ____________Wave.

18 / 64

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

19 / 64

The sensation of sound persists in our brain about ___________

20 / 64

Old people cannot hear sound even above ____________

21 / 64

Sound can travel only in presence of _______

22 / 64

Multiple reflections called ___________

23 / 64

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

24 / 64

Voice of Child is _______________

25 / 64

By using an ____________ we can see sound wave.

26 / 64

Noise correspond ____________ vibration.

27 / 64

Noise has negative effects on human health it causes except ____________

28 / 64

Sound waves with frequency less than 20Hz are called _____________

29 / 64

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

30 / 64

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

31 / 64

Such sounds which are unpleasant to our ears are called ____________

32 / 64

The intensity of sound depends on the ___________ of sound.

33 / 64

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

34 / 64

Bats can hear Frequencies up to_______________

35 / 64

Corresponds to irregular and sudden vibrations produced by some sound ___________

36 / 64

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

37 / 64

The Level of noise recommended in most of countries is ________

38 / 64

The study of sound is called______

39 / 64

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

40 / 64

_____________waves carry more energy and higher frequency than sound waves.

41 / 64

Loudness of sound depends on_________

42 / 64

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

43 / 64

Intensity of faintest sound is __________

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

Which Option is Correct ?

44 / 64

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

45 / 64

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

46 / 64

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

47 / 64

Intensity of loudest audible sound is__________

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

Which Option is Correct ?

48 / 64

Intensity is a ____________quantity.

49 / 64

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

50 / 64

Which bird fly easily between wires in the black room.

51 / 64

Audible frequency range is ____________

52 / 64

Which are the acoustic protection except ___________

53 / 64

Ultrasonics are used to measure the depth of Water by____________

54 / 64

How does sound travel from its source to your ear?

55 / 64

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

56 / 64

The Loudness of a sound is most closely related to its_______

57 / 64

Mice can hear frequencies up to ___________

58 / 64

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

59 / 64

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

60 / 64

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

61 / 64

1 bell is equal to ____________

62 / 64

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

63 / 64

Sound is produced by__________

64 / 64

The speed of sound varies with_______________

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MCQs Chap # 11 – Physics 10th

(Download in pdf format)

(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

(Download in pdf format)

Long Questions Chap # 11 – Physics 10th

(Download in pdf format)

Conceptual Questions Chap # 11 – Physics 10th

(Download in pdf format)

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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