This video is about class 10 physics chapter 11 "SOUND" conceptual questions, class 10 physics new book national book foundation for federal board students.
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drive.google.com/file/d/1MDqO...
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Time Stamps:
00:00 Introduction
00:21 Question#1
01:44 Question#2
03:00 Question#3
04:35 Question#4
05:44 Question#5
08:10 Question#6
10:55 Question#7
12:20 Question#8
14:00 Question#9
16:00 Question#10
16:42 Question#11
The answers of the following stated questions are covered in this video :-
Question#1: Why does sound travel faster in solids than liquids and gases?
Question#2: Why are we able to distinguish between two sounds having same loudness?
Question#3: Vibrating mobile phone on wooden table sounds louder than held in hand. Why?
Question#4: During a match in cricket stadium, you see a batsman striking the ball but we hear stroke sound slightly later. Explain this time difference?
Question#5: How much intensity level increases when intensity of louder sound is double the intensity of faintest audible sound?
Question#6: Two singers are singing together simultaneously with intensity level 60dB of each in a hall.
a. Is intensity of sound in the hall is doubled?
b. Is the intensity level of sound is doubled?
Question#7: If pitch of sound is increased then that is its effect on:
a. Frequency of sound b. Speed of sound C. Intensity of sound
d. Loudness of sound e. Wavelength
Question#8: Vibrating bodies produce sound. When a pendulum vibrates, we do not hear its sound. Why?
Question#9: Two students are talking in the corridor of your school, you can hear them in your class room but you cannot see them. Why?
Question#10: How do curtains help to reduce loudness of sound?
Question#11: What steps would you take to stop echoing in a large room?
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Негізгі бет 10th Physics Chapter 11 Conceptual Questions | New Book of Federal Board | National Book Foundation
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