Tiwari Academy Discussion

Asked: October 28, 2020In: Class 9

What is reverberation? How can it be reduced?

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-175 Questions No-15

Bhumi Srivastava

Asked: October 28, 2020In: Class 9

What is loudness of sound? What factors does it depend on?

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-175 Questions No-16

Bhumi Srivastava

Asked: October 28, 2020In: Class 9

Explain how bats use ultrasound to catch a prey.

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-175 Questions No-17

Bhumi Srivastava

Asked: October 28, 2020In: Class 9

How is ultrasound used for cleaning?

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-175 Questions No-18

Bhumi Srivastava

Asked: October 28, 2020In: Class 9

Explain the working and application of a sonar.

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-175 Questions No-19

Bhumi Srivastava

Asked: October 28, 2020In: Class 9

Explain how the human ear works.

NCERT Solutions for Class 9 Science Chapter 12 Important NCERT Questions Sound NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-175 Questions No-22

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