Question

what do you mean by R=2f ?​

Answer 1

Answer:

hey what's up dude

Explanation:

• or R = 2PF. or R = 2f. Mirror formalae in spherical mirror: In the figure shown above, an object AB is placed at a distance u from the pole of the concave mirror of small aperture, just beyond the centre of curvature. Hence, its real, inverted and diminished image A'B' is formed at a distance v in front of the mirror.

Answer 2

Answer:

Explanation:

Radius of curvature =2[focal length]