In parallax method for..... | JEE Main 2026 22 Jan Shift 2

JEE MAIN 2026

22-01-2026 S2

Question

In parallax method for the determination of focal length of a concave mirror, the object should always be placed :

Select the correct option:

at any point beyond the focus $(F)$ of the mirror

between the focus $(F)$ and the centre of curvature $(C)$ of the mirror ONLY

beyond the centre of the curvature( $C$ ) of the mirror ONLY

between the pole $(P)$ and the focus $(F)$ of the concave mirror ONLY

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Image should be real. So object should be placed beyond focus.

Question Tags

JEE Main

Physics

Medium

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