Conceptual Questions 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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1 / 64

_____________waves carry more energy and higher frequency than sound waves.

2 / 64

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

3 / 64

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

4 / 64

Noise correspond ____________ vibration.

5 / 64

Old people cannot hear sound even above ____________

6 / 64

The intensity of sound depends on the ___________ of sound.

7 / 64

Pitch of sound depends on_____________

8 / 64

By which waves small cracks can appear___________

9 / 64

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

10 / 64

1 bell is equal to ____________

11 / 64

Such sounds which are unpleasant to our ears are called ____________

12 / 64

Sound is produced by__________

13 / 64

By ultrasonic waves ____________ can be destroyed.

14 / 64

Sound is ____________Wave.

15 / 64

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

16 / 64

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

17 / 64

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

18 / 64

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

19 / 64

Intensity of whispering is ____________

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

Which Option is Correct ?

20 / 64

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

21 / 64

The amplitude of 100 dB sound is ___________

22 / 64

Ultrasound is the frequency of sound higher than ___________

23 / 64

Ultrasonics are used to measure the depth of Water by____________

24 / 64

Bats can hear Frequencies up to_______________

25 / 64

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

26 / 64

The study of sound is called______

27 / 64

Intensity of faintest sound is __________

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

Which Option is Correct ?

28 / 64

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

29 / 64

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

30 / 64

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

31 / 64

Which are the acoustic protection except ___________

32 / 64

Frequency of silent whistle Lies between__________

33 / 64

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

34 / 64

The Loudness of a sound is most closely related to its_______

35 / 64

Sound waves with frequency less than 20Hz are called _____________

36 / 64

By using an ____________ we can see sound wave.

37 / 64

The speed of sound varies with_______________

38 / 64

Multiple reflections called ___________

39 / 64

Which bird fly easily between wires in the black room.

40 / 64

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

41 / 64

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

42 / 64

Noise has negative effects on human health it causes except ____________

43 / 64

Sound can travel only in presence of _______

44 / 64

The sensation of sound persists in our brain about ___________

45 / 64

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

46 / 64

Voice of Child is _______________

47 / 64

How does sound travel from its source to your ear?

48 / 64

Audible frequency range is ____________

49 / 64

Intensity of loudest audible sound is__________

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

Which Option is Correct ?

50 / 64

Loudness of sound depends on_________

51 / 64

The Level of noise recommended in most of countries is ________

52 / 64

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

53 / 64

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

54 / 64

Which is an example of a longitudinal wave.

55 / 64

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

56 / 64

We hear sound produce by musical instrument such as _____________

57 / 64

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

58 / 64

Which form of energy is sound?

59 / 64

Mice can hear frequencies up to ___________

60 / 64

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

61 / 64

Intensity is a ____________quantity.

62 / 64

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

63 / 64

Corresponds to irregular and sudden vibrations produced by some sound ___________

64 / 64

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

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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.

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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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