MEDIUM
8th CBSE
IMPORTANT
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The band of seven colours is called the spectrum.

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Important Questions on Refraction and Dispersion of Light

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>PRACTICE TIME>Q 5

State whether the given statement is True or False. Correct the false statement.

Convex lens is thinner in the middle and thicker at the edges.

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>PRACTICE TIME>Q 6
If a ray of light passes through the optical centre of a lens, then it goes straight undeviated from its path after refraction.
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>Think and Discuss
How will you write the word 'Refraction' in Braille?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>PRACTICE TIME>Q 1
Name the outermost layer of the eye.
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>PRACTICE TIME>Q 2
Which part of the eye focuses the images of different sizes clearly on retina?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>PRACTICE TIME>Q 3
Does eyelid cover the eye when required?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>PRACTICE TIME>Q 4
 Define the term LDDV.
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>PRACTICE TIME>Q 5
Which lens is used to protect the myopia of the eye?