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Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set C

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10th Standard

Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set B

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10th Standard

Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set A

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Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set C

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10th Standard

Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set B

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10th Standard

Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set A

10th Standard English Medium Science Subject Acoustics Creative 1 Mark Questions with Solution Part - II updated Creative Questions

Published on: 13/05/2022

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Creative Questions in class 10 Science Subject. It will helps to get more idea about question pattern in every Creative questions with solution.

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Std: 10th Standard - Science

chapter: - Creative Questions

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Questions:

Multiple Choice Question

5 x 1 = 5

Earthquake produces ______.

(a)

Ultrasound

(b)

Infrasound

(c)

audible sound

(d)

none

Distance between two consecutive compressions is

(a)

(b)

λ/2

(c)

λ/4

(d)

2λ

The speed of sound in air is 300 m/s. What is the frequency as heard by the human ear?

(a)

0.001 Hz

(b)

1 Hz

(c)

10,000 Hz

(d)

1,00,000 Hz

Ultrasound waves compared to audible sound waves have.

(a)

Lower frequency and Shorter wavelength

(b)

Lower frequency and longer wavelength

(c)

higher frequency and longer wavelength

(d)

higher frequency and shorter wavelength

A car playing music at a frequency of 250 Hz moves at 20 m/s towards an observer that has frequency. What frequency the observer can hear when
(i) it approaches and
(ii) when it passes by?

(a)

approaching: \(250\times \left( \frac { v+20 }{ v } \right) ;\) leaving: \(\\ 250\times \left( \frac { v-20 }{ v } \right) \)

(b)

approaching: \(\\ 250\times \left( \frac { v }{ v+20 } \right) ;\) leaving: \(250\times \left( \frac { v }{ v-20 } \right) \)

(c)

approaching:\(250\times \left( \frac { v-20 }{ v } \right) ;\) leaving: \(250\times \left( \frac { v+20 }{ v } \right) \)

(d)

approaching: \(250\times \left( \frac { v }{ v-20 } \right) ;\) leaving: \(250\times \left( \frac { v }{ v+20 } \right) \)