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Biology CBSE Live product
Class 8 (2025-26)
Exploring the investigative world of Science
Revision II - Exploring the investigative world of science
4.
Optics
Question:
3
m.
Pick the correct option:
How do certain optical instruments help in focusing light for clear image formation?
Some optical instruments help focus light to form clear images. A
Convex mirrors
Ray diagram
Concave lens
Concave mirror
Convex lenses
bends light rays inward using
Reflection and refraction of light
Reflection of light
Refraction of light
. This property is used in
Rear-view mirrors / security mirrors
Mirrors and lenses
Spectacles for myopia
Spectacles / cameras
Shaving mirrors / dentist mirrors
for correcting vision and image formation.
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