EASY
10th ICSE
IMPORTANT
Earn 100

The focal length of a convex lens and a concave mirror both is . What would be the change in their focal lengths if the two are immersed in water?

Important Questions on Refraction Through a Lens
EASY
10th ICSE
IMPORTANT

MEDIUM
10th ICSE
IMPORTANT

MEDIUM
10th ICSE
IMPORTANT

MEDIUM
10th ICSE
IMPORTANT

EASY
10th ICSE
IMPORTANT
The figure shows a convex and a concave lens of focal lengths respectively, their lenses in contact. What is the power of each lens? What is the focal length of the combined lens?

MEDIUM
10th ICSE
IMPORTANT
Figure shows a point source of light in front of a convex lens of focal length . What is the final position of the image? Show by a ray diagram.
