Describe the construction of a kaleidosc | Class 8 Science Chapter Light, Light NCERT Solutions

Welcome to the NCERT Solutions for Class 8 Science - Chapter Light. This page offers a step-by-step solution to the specific question from Exercise 1, Question 9: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 9:

Describe the construction of a kaleidoscope.

Answer:

A simple device is used to obtain the colorful designs by multiple reflections is called kaleidoscope.

Principle: It works on the principle of multiple reflection of light.

       experiment

Construction:

  1. Get three rectangular plane mirror strips, each about 15 cm long and 4 cm wide.
  2. Join them together to form a prism.
  3. Pin them in a cylindrical cardboard tube, and make sure that the tube is slightly longer than the mirror strips.
  4. Close the one end of the tube by a cardboard disc having a hole in its center through which you can see.
  5. At the other end, touching the mirrors fix circular glass plate.
  6. Place several small pieces of the coloured glass on this glass plate.
  7. Close (disc) this end of the tube by ground glass plate. Allow enough space for the coloured pieces to move around. This is kaleidoscope.

When seen through the hole, we will be able to see a variety of patterns in the tube.


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.

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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 9: Describe the construction of a kaleidoscope.....