Class 8

Prisha Arora

Asked: November 22, 2020In: Class 8 Science

Fill in the blanks: The size of the pupil becomes ____________ when you see in dim light.

NCERT Solutions for Class 8 Science Chapter 16 Important NCERT Questions 8th Chapter 16 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 6 Part: c

Prisha Arora

Asked: November 22, 2020In: Class 8 Science

Fill in the blanks: If you touch your ear with right hand in front of a plane mirror it will be seen in the mirror that your right ear is touched with .

NCERT Solutions for Class 8 Science Chapter 16 Important NCERT Questions 8th Chapter 16 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 6 Part: b

Prisha Arora

Asked: November 22, 2020In: Class 8 Science

Describe an activity to show that the incident ray, the reflected ray and the normal at the point of incidence lie in the same plane.

NCERT Solutions for Class 8 Science Chapter 16 Important NCERT Questions 8th Chapter 16 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 5

Prisha Arora

Asked: November 22, 2020In: Class 8 Science

State the laws of reflection.

NCERT Solutions for Class 8 Science Chapter 16 Important NCERT Questions 8th Chapter 16 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 4

Prisha Arora

Asked: November 22, 2020In: Class 8 Science

Mention against each of the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in each case. (a) Polished wooden table (b) Chalk powder (c) Cardboard surface (d) Marble floor with water spread over it (e) Mirror (f) Piece of paper

NCERT Solutions for Class 8 Science Chapter 16 Important NCERT Questions 8th Chapter 16 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 3

Prisha Arora

Asked: November 22, 2020In: Class 8 Science

Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.

NCERT Solutions for Class 8 Science Chapter 16 Important NCERT Questions 8th Chapter 16 Light NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 1

Netra

Asked: November 22, 2020In: Class 8 Science

The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain.

NCERT Solutions for Class 8 Science Chapter 15 Important NCERT Questions 8th Chapter 15 Some Natural Phenomena NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 12

Netra

Asked: November 22, 2020In: Class 8 Science

Suppose you are outside your home and an earthquake strikes. What precaution would you take to protect yourself?

NCERT Solutions for Class 8 Science Chapter 15 Important NCERT Questions 8th Chapter 15 Some Natural Phenomena NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 11

Netra

Asked: November 22, 2020In: Class 8 Science

List three states in India where earthquakes are more likely to strike.

NCERT Solutions for Class 8 Science Chapter 15 Important NCERT Questions 8th Chapter 15 Some Natural Phenomena NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 10

Netra

Asked: November 22, 2020In: Class 8 Science

Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another charged balloon?

NCERT Solutions for Class 8 Science Chapter 15 Important NCERT Questions 8th Chapter 15 Some Natural Phenomena NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8

Category: Class 8

Fill in the blanks: The size of the pupil becomes ____________ when you see in dim light.

Fill in the blanks: If you touch your ear with right hand in front of a plane mirror it will be seen in the mirror that your right ear is touched with .

Describe an activity to show that the incident ray, the reflected ray and the normal at the point of incidence lie in the same plane.

State the laws of reflection.

Mention against each of the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in each case. (a) Polished wooden table (b) Chalk powder (c) Cardboard surface (d) Marble floor with water spread over it (e) Mirror (f) Piece of paper

Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.

The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain.

Suppose you are outside your home and an earthquake strikes. What precaution would you take to protect yourself?

List three states in India where earthquakes are more likely to strike.

Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another charged balloon?

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