MEDIUM
7th CBSE
IMPORTANT
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Draw labelled diagrams to show the principal focus and centre of curvature in spherical mirrors

Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT

Draw labelled diagrams to show the principal focus and centre of curvature in lenses.

MEDIUM
7th CBSE
IMPORTANT

Write the differences between 

Real and virtual images

MEDIUM
7th CBSE
IMPORTANT

Write the differences between

Converging and diverging mirrors

MEDIUM
7th CBSE
IMPORTANT

Write the differences between concave and convex lenses

MEDIUM
7th CBSE
IMPORTANT
An optician's eye chart is fixed 1.5 m behind the eyes of a patient looking into the mirror placed 9 m in front of him. Find the distance of the eye chart as seen by patient's eye.
MEDIUM
7th CBSE
IMPORTANT

Observe the given diagram and answer the following:

Complete the figure to show the path of the ray after it hits the surface of mirror AB.

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EASY
7th CBSE
IMPORTANT

Observe the given diagram and answer the following:

Find the angle of incidence at AB.

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EASY
7th CBSE
IMPORTANT

Observe the given diagram and answer the following:

The angle of reflection at BC is ____ °.

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