Sarthak Atwal

Asked: November 22, 2020In: Class 10 Social Science

Lightning and thunder take place in the sky at the same time and at the same distance from us. Lightning is seen earlier and thunder is heard later. Can you explain?

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 13

Kyra

Asked: November 22, 2020In: Class 8 Science

Your parents are going to buy a house. They have been offered one on the roadside and another three lanes away from the roadside. Which house would you suggest your parents should buy? Explain your answer.

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 11

Kyra

Asked: November 22, 2020In: Class 8 Science

Explain in what way noise pollution is harmful to humans.

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 10

Kyra

Asked: November 22, 2020In: Class 8 Science

List sources of noise pollution in your surroundings.

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 9

Kyra

Asked: November 22, 2020In: Class 8 Science

What is the difference between noise and music? Can music become noise sometimes?

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 8

Kyra

Asked: November 22, 2020In: Class 8 Science

Identify the part which vibrates to produce sound in the following instruments: Flute

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 7 Part: c

Kyra

Asked: November 22, 2020In: Class 8 Science

Identify the part which vibrates to produce sound in the following instruments: Sitar

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 7 Part: b

Kyra

Asked: November 22, 2020In: Class 8

Identify the part which vibrates to produce sound in the following instruments: Dholak

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 7 Part: a

Kyra

Asked: November 22, 2020In: Class 8 Science

The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 6

Kyra

Asked: November 22, 2020In: Class 8 Science

A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.

NCERT Solutions for Class 8 Science Chapter 13 Important NCERT Questions 8th Chapter 13 Sound NCERT Books for Session 2020-2021 CBSE Board and State Board Questions No: 5

Sarthak Atwal

Your parents are going to buy a house. They have been offered one on the roadside and another three lanes away from the roadside. Which house would you suggest your parents should buy? Explain your answer.

Explain in what way noise pollution is harmful to humans.

List sources of noise pollution in your surroundings.

What is the difference between noise and music? Can music become noise sometimes?

Identify the part which vibrates to produce sound in the following instruments: Flute

Identify the part which vibrates to produce sound in the following instruments: Sitar

Identify the part which vibrates to produce sound in the following instruments: Dholak

The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?

A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.

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