Tiwari Academy Discussion

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

Aarohi Singh

Asked: October 28, 2020In: Class 9

In which of the three media, air, water or iron, does sound travel the fastest at a particular temperature?

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

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.

In which of the three media, air, water or iron, does sound travel the fastest at a particular temperature?

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