Physics · 2026
JEE Main · 6 April 2026, Shift 2 · Q50
A concave mirror of focal length 10 cm forms an image which is double the size of object when the object is placed at two different positions. The…
A concave mirror of focal length $\displaystyle 10$ cm forms an image which is double the size of object when the object is placed at two different positions. The distance between the two positions of the object is
$\displaystyle \_\_\_\_$ cm .
Official answer
From NTA’s final answer key for this paper.
10
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.