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Sounds:Physics Notes for 10th Class

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

How does sound travel from its source to your ear?

2 / 64

Frequency of silent whistle Lies between__________

3 / 64

Sound waves with frequency less than 20Hz are called _____________

4 / 64

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

5 / 64

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

6 / 64

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

7 / 64

Noise correspond ____________ vibration.

8 / 64

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

9 / 64

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

10 / 64

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

11 / 64

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

12 / 64

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

13 / 64

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

14 / 64

Multiple reflections called ___________

15 / 64

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

16 / 64

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

17 / 64

The study of sound is called______

18 / 64

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

19 / 64

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

20 / 64

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

21 / 64

Which form of energy is sound?

22 / 64

We hear sound produce by musical instrument such as _____________

23 / 64

Sound is ____________Wave.

24 / 64

By which waves small cracks can appear___________

25 / 64

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

26 / 64

Which bird fly easily between wires in the black room.

27 / 64

Intensity is a ____________quantity.

28 / 64

By using an ____________ we can see sound wave.

29 / 64

By ultrasonic waves ____________ can be destroyed.

30 / 64

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

31 / 64

Pitch of sound depends on_____________

32 / 64

Ultrasound is the frequency of sound higher than ___________

33 / 64

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

34 / 64

Bats can hear Frequencies up to_______________

35 / 64

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

36 / 64

Intensity of faintest sound is __________

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

Which Option is Correct ?

37 / 64

Corresponds to irregular and sudden vibrations produced by some sound ___________

38 / 64

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

39 / 64

Which are the acoustic protection except ___________

40 / 64

Old people cannot hear sound even above ____________

41 / 64

Noise has negative effects on human health it causes except ____________

42 / 64

The amplitude of 100 dB sound is ___________

43 / 64

Voice of Child is _______________

44 / 64

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

45 / 64

Sound can travel only in presence of _______

46 / 64

The Loudness of a sound is most closely related to its_______

47 / 64

Ultrasonics are used to measure the depth of Water by____________

48 / 64

The sensation of sound persists in our brain about ___________

49 / 64

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

50 / 64

The intensity of sound depends on the ___________ of sound.

51 / 64

1 bell is equal to ____________

52 / 64

The speed of sound varies with_______________

53 / 64

Such sounds which are unpleasant to our ears are called ____________

54 / 64

Mice can hear frequencies up to ___________

55 / 64

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

56 / 64

Loudness of sound depends on_________

57 / 64

The Level of noise recommended in most of countries is ________

58 / 64

_____________waves carry more energy and higher frequency than sound waves.

59 / 64

Intensity of whispering is ____________

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

Which Option is Correct ?

60 / 64

Audible frequency range is ____________

61 / 64

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

62 / 64

Intensity of loudest audible sound is__________

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

Which Option is Correct ?

63 / 64

Which is an example of a longitudinal wave.

64 / 64

Sound is produced by__________

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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

 

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