Tiwari Academy Discussion

Shiv Ahuja

Asked: October 28, 2020In: Class 9

How does the sound produced by a vibrating object in a medium reach your ear?

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-162 Questions No-1

Shiv Ahuja

Asked: October 28, 2020In: Class 9

Explain how sound is produced by your school bell.

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-163 Questions No-1

Shiv Ahuja

Asked: October 28, 2020In: Class 9

Why are sound waves called mechanical waves?

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-163 Questions No-2

Shiv Ahuja

Asked: October 28, 2020In: Class 9

Which wave property determines :

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-166 Questions No-1 Which wave property determines (a) loudness, (b) pitch?

Shiv Ahuja

Asked: October 28, 2020In: Class 9

Guess which sound has a higher pitch: guitar or car horn?

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-166 Questions No-2

Shiv Ahuja

Asked: October 28, 2020In: Class 9

What are wavelength, frequency, time period and amplitude of a sound wave?

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-166 Questions No-1

Shiv Ahuja

Asked: October 28, 2020In: Class 9

How are the wavelength and frequency of a sound wave related to its speed?

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-166 Questions No-2

Shiv Ahuja

Asked: October 28, 2020In: Class 9

Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-166 Questions No-3

Shiv Ahuja

Asked: October 28, 2020In: Class 9

A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-166 Questions No-4

Shiv Ahuja

Asked: October 28, 2020In: Class 9

Distinguish between loudness and intensity of sound.

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-166 Questions No-1

How does the sound produced by a vibrating object in a medium reach your ear?

Explain how sound is produced by your school bell.

Why are sound waves called mechanical waves?

Which wave property determines :

Guess which sound has a higher pitch: guitar or car horn?

What are wavelength, frequency, time period and amplitude of a sound wave?

How are the wavelength and frequency of a sound wave related to its speed?

Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.

A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?

Distinguish between loudness and intensity of sound.

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