Class 10 Physics Chapter 2 Notes

Complete Notes on class 10 physics chapter 2 notes written by Mr. Tayyab Shahzad. These computerized notes are very helpful in the preparation of class 10 physics chapter 2 notes for students of the 10th class Physics and these are according to the paper patterns of all Punjab boards.

• Important class 10 physics chapter 2 notes pdf for all students of Punjab  Textbook Board.
• Sound Exercise Multiple Choice Questions ( MCQs ) with correct Answers
• Sound Exercise Short Questions with Answers.
• What is the necessary condition for the production of sound?
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• What is the effect of the Medium on the Speed of Sound? In which medium sound travels faster: air, solid, or liquid?
• What is meant by Reverberation?
• Important physics class 10 chapter 2 notes for all students of Punjab  Textbook Board.
• Calculate the frequency of the sound wave of speed 340 ms-1 and wavelength 0.5.
• Sound is a form of wave. List at least three reasons to support the idea that sound is a wave
• Important 10th class physics chapter 2 notes for all students of Punjab  Textbook Board.
• What would happen to the loudness of sound with the increase in its frequency?
• What is the difference between the Loudness and Intensity of sound? Derive the relationship between the two.
• Important chapter 2 physics class 10 notes for all students of Punjab  Textbook Board.
• On what factors does the loudness of sound depend?
• What do you mean by the term Intensity level of the sound? Name and define the unit of intensity level of sound
•  Which animal have the loudest sound?
• Important class 10 notes physics chapter 2 for all students of Punjab  Textbook Board.
• What is the difference between Frequency and Pitch?
•  Describe the effect of change in amplitude on loudness and the effect of change in frequency on the pitch of sound.
• Important class 10 physics notes chapter 2 for all students of Punjab  Textbook Board.
• Define Acoustics.
• If we clap or speak in front of a building while standing at a particular distance, we rehear our sound after some time. Can you explain how does this happen?
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•  What is the Audible frequency range for the Human Ear? Does this range vary with the age of people? Explain.
•  Explain that Noise is a Nuisance.
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•  Describe the importance of Acoustic Protection.
•  What are the uses of Ultrasound in Medicine?
• Important notes class 10 physics chapter 2 for all students of Punjab  Textbook Board.
•  Why two tin cans with a string stretched between them could be a better way to communicate than merely shouting through the air?
•  Why the sound of women is shrill as compared to men?
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•  What is meant by Soundless Whistle?
• Define SONAR.  How can noise pollution are reduced?
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• Define Echo Or Reflection of Sound.
•  Is there any difference between echo and reflection of sound?
•  Define Ultrasound.
• Important physics class 10th chapter 2 notes for all students of Punjab  Textbook Board.
• Why ultrasound is useful in the medical field?
• How sound waves are produced?
• What is the Intensity of the sound of the Rusting of leaves and the Faintest Audible sound?
• Important physics notes class 10 chapter 2 for all students of Punjab  Textbook Board.
• Define a Stethoscope and Name two characteristics of sound. 
• Define Quality of sound.
• What is the difference between Musical sound and Noise?
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• Why sound waves are called mechanical waves?
• Distance from the vibrating body: Loudness of sound also depends upon the distance of the vibrating body from the listener. It is caused by the decrease in amplitude due to increase in distance.
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•  Loudness also depends upon the physical condition of the ears of the listener. A sound appears louder to a person with sensitive ears than to a person with defective ears.
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•  However, there is a characteristic of sound which does not depend upon the sensitivity of the ear of the listener and it is called intensity of sound.
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• Pitch: Pitch is the characteristic of sound by which we can distinguish between a shrill and a grave sound.
• It depends upon the frequency.
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• A higher pitch means a higher frequency and vice versa. The frequency of the voice of ladies and children is higher than that of men. Therefore, the voice of ladies and children is shrill and of high pitch. 
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• The relationship between frequency and pitch is illustrated.
• Quality: The characteristic of sound by which we can distinguish between two sounds of same loudness and pitch is called quality.
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• While standing outside a room, we can distinguish between the notes of a piano and a flute being played inside the room. This is due to the difference in the quality of these notes.
• Important 10th class physics chapter 11 short questions for all students of Punjab  Textbook Board.