MCQs Chap # 11 – Physics 10th

Physics Notes for 10th Class Chapter-11

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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

Ultrasonics are used to measure the depth of Water by____________

2 / 64

Sound waves with frequency less than 20Hz are called _____________

3 / 64

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

4 / 64

Which bird fly easily between wires in the black room.

5 / 64

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

6 / 64

The speed of sound varies with_______________

7 / 64

Which form of energy is sound?

8 / 64

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

9 / 64

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

10 / 64

Noise has negative effects on human health it causes except ____________

11 / 64

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

12 / 64

Ultrasound is the frequency of sound higher than ___________

13 / 64

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

14 / 64

_____________waves carry more energy and higher frequency than sound waves.

15 / 64

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

16 / 64

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

17 / 64

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

18 / 64

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

19 / 64

Loudness of sound depends on_________

20 / 64

By using an ____________ we can see sound wave.

21 / 64

Frequency of silent whistle Lies between__________

22 / 64

We hear sound produce by musical instrument such as _____________

23 / 64

By ultrasonic waves ____________ can be destroyed.

24 / 64

How does sound travel from its source to your ear?

25 / 64

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

26 / 64

Intensity of loudest audible sound is__________

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

Which Option is Correct ?

27 / 64

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

28 / 64

Pitch of sound depends on_____________

29 / 64

Intensity of faintest sound is __________

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

Which Option is Correct ?

30 / 64

Sound can travel only in presence of _______

31 / 64

Multiple reflections called ___________

32 / 64

The Level of noise recommended in most of countries is ________

33 / 64

Which is an example of a longitudinal wave.

34 / 64

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

35 / 64

The amplitude of 100 dB sound is ___________

36 / 64

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

37 / 64

Which are the acoustic protection except ___________

38 / 64

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

39 / 64

Old people cannot hear sound even above ____________

40 / 64

Intensity is a ____________quantity.

41 / 64

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

42 / 64

Sound is produced by__________

43 / 64

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

44 / 64

1 bell is equal to ____________

45 / 64

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

46 / 64

Audible frequency range is ____________

47 / 64

By which waves small cracks can appear___________

48 / 64

Such sounds which are unpleasant to our ears are called ____________

49 / 64

The study of sound is called______

50 / 64

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

51 / 64

Bats can hear Frequencies up to_______________

52 / 64

Noise correspond ____________ vibration.

53 / 64

Voice of Child is _______________

54 / 64

Mice can hear frequencies up to ___________

55 / 64

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

56 / 64

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

57 / 64

The Loudness of a sound is most closely related to its_______

58 / 64

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

59 / 64

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

60 / 64

The intensity of sound depends on the ___________ of sound.

61 / 64

The sensation of sound persists in our brain about ___________

62 / 64

Sound is ____________Wave.

63 / 64

Corresponds to irregular and sudden vibrations produced by some sound ___________

64 / 64

Intensity of whispering is ____________

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

Which Option is Correct ?

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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

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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

 

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