Mention against each of the following wh | Class 8 Science Chapter Light, Light NCERT Solutions

Question:

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

Answer:

  1. Polished wooden table: Regular reflection will take place because rays of light reflected from the polished wooden table (smooth surface) are parallel.
  2. Chalk powder: Diffused reflection will take place because rays of light reflected from the chalk powder are not parallel due to its round surface.
  3. Cardboard surface: Diffused reflection will take place because rays of light reflected from the cardboard surface; are not parallel due to its rough surface.
  4. Marble floor with water spread over it: Regular reflection will take place because rays of reflect light reflected from the marble surface/ floor spreads on it. Smooth surface are parallel.
  5. Mirror: Regular reflection will take place because rays reflected from the mirror are parallel.
  6. Piece of paper: Diffused reflection will take place because rays of reflection from the piece of paper will not parallel due to its rough surface.


Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Light.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Comments

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 8 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 3: Mention against each of the following whether regular or diffused reflection will take place when a ....