MEDIUM
8th CBSE
IMPORTANT
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How many dots does Braille system use?

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Important Questions on Refraction and Dispersion of Light

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 16 - Refraction and Dispersion of Light>EXERCISES>Q B

State True or False:

Refractive index can be defined for both transparent and opaque objects.

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 16 - Refraction and Dispersion of Light>EXERCISES>Q B
Light bends as it passes from one medium to another. What is this phenomenon called?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 16 - Refraction and Dispersion of Light>EXERCISES>Q B
If light enters from water to air it bends _____ from the normal.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 16 - Refraction and Dispersion of Light>EXERCISES>Q B
A pencil is dipped obliquely in water appears bent at the surface due to dispersion.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 16 - Refraction and Dispersion of Light>EXERCISES>Q B
In a prism emergent ray is parallel to the incident ray.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 16 - Refraction and Dispersion of Light>EXERCISES>Q B
A transparent medium bends light by same amount irrespective of the colour of light.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 16 - Refraction and Dispersion of Light>EXERCISES>Q B
If an object is situated at the focal length of a convex lens , where is the image formed ?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 16 - Refraction and Dispersion of Light>EXERCISES>Q B
A diverging lens forms a real image of an object, placed beyond F, and a virtual image of an object placed between O and F. True or false?