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

Which are the acoustic protection except ___________

2 / 64

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

3 / 64

Sound is ____________Wave.

4 / 64

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

5 / 64

Loudness of sound depends on_________

6 / 64

Intensity of loudest audible sound is__________

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

Which Option is Correct ?

7 / 64

Voice of Child is _______________

8 / 64

Bats can hear Frequencies up to_______________

9 / 64

The Level of noise recommended in most of countries is ________

10 / 64

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

11 / 64

Sound waves with frequency less than 20Hz are called _____________

12 / 64

The amplitude of 100 dB sound is ___________

13 / 64

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

14 / 64

Which form of energy is sound?

15 / 64

Intensity of whispering is ____________

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

Which Option is Correct ?

16 / 64

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

17 / 64

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

18 / 64

Ultrasonics are used to measure the depth of Water by____________

19 / 64

The study of sound is called______

20 / 64

Noise has negative effects on human health it causes except ____________

21 / 64

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

22 / 64

By which waves small cracks can appear___________

23 / 64

Ultrasound is the frequency of sound higher than ___________

24 / 64

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

25 / 64

By ultrasonic waves ____________ can be destroyed.

26 / 64

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

27 / 64

The Loudness of a sound is most closely related to its_______

28 / 64

Corresponds to irregular and sudden vibrations produced by some sound ___________

29 / 64

1 bell is equal to ____________

30 / 64

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

31 / 64

Frequency of silent whistle Lies between__________

32 / 64

Audible frequency range is ____________

33 / 64

Which is an example of a longitudinal wave.

34 / 64

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

35 / 64

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

36 / 64

_____________waves carry more energy and higher frequency than sound waves.

37 / 64

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

38 / 64

Noise correspond ____________ vibration.

39 / 64

Old people cannot hear sound even above ____________

40 / 64

Intensity of faintest sound is __________

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

Which Option is Correct ?

41 / 64

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

42 / 64

The intensity of sound depends on the ___________ of sound.

43 / 64

Such sounds which are unpleasant to our ears are called ____________

44 / 64

The speed of sound varies with_______________

45 / 64

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

46 / 64

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

47 / 64

We hear sound produce by musical instrument such as _____________

48 / 64

How does sound travel from its source to your ear?

49 / 64

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

50 / 64

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

51 / 64

Which bird fly easily between wires in the black room.

52 / 64

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

53 / 64

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

54 / 64

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

55 / 64

By using an ____________ we can see sound wave.

56 / 64

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

57 / 64

Pitch of sound depends on_____________

58 / 64

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

59 / 64

Intensity is a ____________quantity.

60 / 64

Sound is produced by__________

61 / 64

The sensation of sound persists in our brain about ___________

62 / 64

Sound can travel only in presence of _______

63 / 64

Multiple reflections called ___________

64 / 64

Mice can hear frequencies up to ___________

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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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