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Light Class 8 Science Important question CBSE





In this page we have Light Class 8 Important question CBSE . Hope you like them and do not forget to like , social shar and comment at the end of the page.

FILL IN THE BLANKS:-

1) The ________ at the point of incidence is called the normal.
2) __________ is a light sensitive screen
3) When two mirrors are kept parallel to each other the number of images is _____________.
4) Kaleidoscope works on the principle of __________.
5) The splitting of white light into its constituent colours is called ________.
6) The coloured part of eye is _________.
7) The ________muscles alter the ________ of the eye lens.
8) The normal value for a ________ is approximately 25cm.
9) Droplets of water split sunlight to form a spectrum known as ______.
10) ________ can be corrected by using a concave lens of suitable focal length.
11) Refraction occurs because the ________ of light is different in different medium.
12) When white light passes through a prism, it is __________.
13) In a Kaleidoscope, the mirrors make an angle of _______ with each other.
14) The English Braille system uses _________ dots.
15) Lateral displacement takes place due to refraction in a ________.


ANSWER:-
1) Perpendicular
2) Retina
3) Infinite
4) Multiple reflection
5) Dispersion
6) Iris
7) Ciliary, thickness
8) Near point
9) Rainbow
10) Myopia
11) Speed
12) Deviated and dispersed
13) 60o
14) 6
15) Rectangular slab


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Class 8 Maths Class 8 Science
Reference Books for class 8 science

Given below are the links of some of the reference books for class 8 science.

  1. Oswaal NCERT & CBSE Pullout Worksheets Class 8 Science These worksheets can help student evaluate whatever he/she has studied from the text books.
  2. Science for Class 8 Paperback by Lakhmir Singh Detailed science book to clear basics and concepts. I would say it is a must have book for class 8 student.
  3. Pearson Foundation Series (IIT -JEE / NEET) Physics, Chemistry, Maths & Biology for Class 8 (Main Books) | PCMB Combo : These set of books could help your child if he aims to get extra knowledge of science and maths. These would be helpful if child wants to prepare for competitive exams like JEE/NEET. Only buy if you can provide help to the child while studying.
  4. Reasoning Olympiad Workbook - Class 8 :- Reasoning helps sharpen the mind of child. I would recommend students practicing reasoning even though they are not appearing for Olympiad.

You can use above books for extra knowledge and practicing different questions.







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