• Skip to main content
  • Skip to secondary menu
  • Skip to primary sidebar

Class Notes

Free Education for All

  • Class 1-5
  • Class 6
  • Class 7
  • Class 8
  • Class 9
  • Class 10
  • Class 11
  • Class 12
  • NCERT Solutions
    • NCERT Books

friction

Chapter 13 Sound

Last Updated on May 4, 2020 By Mrs Shilpi Nagpal Leave a Comment

Frequency

Class 8 | Science | Ch 13 |Friction| NCERT Solutions 1. Choose the correct answer. Sound can travel through (a) gases only (b) solids only (c) liquids only (d) solids, liquids and gases. Answer: (d) solids, liquids and gases 2. Voice of which of the following is likely to have minimum frequency? (a) Baby girl (b) Baby boy (c) A man (d) A woman Answer: (c) A … [Read more...] about Chapter 13 Sound

Chapter 12 Friction

Last Updated on May 4, 2020 By Mrs Shilpi Nagpal 2 Comments

Book moving downwards

Class 8 | Science | Ch 12 |Friction| NCERT Solutions 1. Fill in the blanks. (a) Friction opposes the _____________ between the surfaces in contact with each other. (b) Friction depends on the _____________ of surfaces. (c) Friction produces __________. (d) Sprinkling of powder on the carrom board ________ friction. (e) Sliding friction is ___________ than the static … [Read more...] about Chapter 12 Friction

Friction

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal Leave a Comment

Question 1 Name the force which always opposes motion? Question 2 What is the direction of force of friction acting on moving object? Question 3 Define the term friction? Question 4 When we try to push a heavy box kept on ground it does not move at all.Which force is preventing this box to move forward.Where does this force acts? Question 5 A ball moving on the … [Read more...] about Friction

Primary Sidebar

Recent Posts

  • Chapter 2 The Adventures of Toto
  • Chapter 1 The Lost Child
  • Chapter 11 If I were You
  • Chapter 10 Kathmandu
  • A slumber did My spirit Seal (Poem)
  • The Snake Trying (Poem)
  • Chapter 9 The Bond of Love
  • The Beggar Class 9 English, Moments – Summary, Explanation, Word Meanings
  • The Accidental Tourist Class 9 English, Moments – Summary, Explanation, Word Meanings
  • Email
  • Facebook
  • Pinterest
  • RSS
  • Twitter

Copyright © 2022 · About Us · Contact Us · Privacy Policy