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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Physics Ch-11, 10th

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1 / 64

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

2 / 64

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

3 / 64

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

4 / 64

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

5 / 64

Noise has negative effects on human health it causes except ____________

6 / 64

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

7 / 64

Intensity of loudest audible sound is__________

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

Which Option is Correct ?

8 / 64

How does sound travel from its source to your ear?

9 / 64

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

10 / 64

The intensity of sound depends on the ___________ of sound.

11 / 64

The study of sound is called______

12 / 64

The amplitude of 100 dB sound is ___________

13 / 64

By using an ____________ we can see sound wave.

14 / 64

The Level of noise recommended in most of countries is ________

15 / 64

Ultrasonics are used to measure the depth of Water by____________

16 / 64

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

17 / 64

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

18 / 64

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

19 / 64

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

20 / 64

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

21 / 64

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

22 / 64

The speed of sound varies with_______________

23 / 64

The sensation of sound persists in our brain about ___________

24 / 64

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

25 / 64

Intensity of faintest sound is __________

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

Which Option is Correct ?

26 / 64

The Loudness of a sound is most closely related to its_______

27 / 64

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

28 / 64

Which is an example of a longitudinal wave.

29 / 64

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

30 / 64

Pitch of sound depends on_____________

31 / 64

Noise correspond ____________ vibration.

32 / 64

Audible frequency range is ____________

33 / 64

Such sounds which are unpleasant to our ears are called ____________

34 / 64

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

35 / 64

Which form of energy is sound?

36 / 64

Which bird fly easily between wires in the black room.

37 / 64

By which waves small cracks can appear___________

38 / 64

Old people cannot hear sound even above ____________

39 / 64

Mice can hear frequencies up to ___________

40 / 64

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

41 / 64

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

42 / 64

Corresponds to irregular and sudden vibrations produced by some sound ___________

43 / 64

We hear sound produce by musical instrument such as _____________

44 / 64

Intensity of whispering is ____________

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

Which Option is Correct ?

45 / 64

Sound is ____________Wave.

46 / 64

By ultrasonic waves ____________ can be destroyed.

47 / 64

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

48 / 64

1 bell is equal to ____________

49 / 64

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

50 / 64

Sound is produced by__________

51 / 64

Multiple reflections called ___________

52 / 64

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

53 / 64

Sound can travel only in presence of _______

54 / 64

Ultrasound is the frequency of sound higher than ___________

55 / 64

_____________waves carry more energy and higher frequency than sound waves.

56 / 64

Which are the acoustic protection except ___________

57 / 64

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

58 / 64

Frequency of silent whistle Lies between__________

59 / 64

Intensity is a ____________quantity.

60 / 64

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

61 / 64

Bats can hear Frequencies up to_______________

62 / 64

Loudness of sound depends on_________

63 / 64

Voice of Child is _______________

64 / 64

Sound waves with frequency less than 20Hz are called _____________

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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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