Study the given ray diagrams and select the correct ...

CBSE Class 10 Science 2017 Outside Delhi Term II Set 1 Paper

Question : 30 of 36

Marks: +1, -0

Study the given ray diagrams and select the correct statement from the following :

Device ${\X}$ is a concave mirror and device $Y$ is a convex lens, whose focal lengths are $20 {\cm}$ and $25 {\cm}$ respectively.
Device $X$ is a convex lens and device $Y$ is a concave mirror, whose focal lengths are $10 {\cm}$ and $25 {\cm}$ respectively.
Device $X$ is a concave lens and device $Y$ is a convex mirror, whose focal lengths are $20 {\cm}$ and $25 {\cm}$ respectively.
Device ${\X}$ is a convex lens and device ${\Y}$ is a concave mirror, whose focal lengths are $20 {\cm}$ and $25 {\cm}$ respectively.

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