Q

A concave mirror is cut from a sphere of radius 18.0 cm. Under the Cartesian convention, its focus is at:

RRB Group-D 02/09/2022 / Shift-II 2022
✓ Answer: C −9 cm
f = R/2 = −9 cm.
← Previous Question Next Question →

📚 Related Questions — Light

1 A concave mirror has a _____ towards the centre of the sphere,… 2 A parallel beam not parallel to the principal axis of a concave… 3 A ray parallel to the principal axis strikes a concave mirror. After… 4 Dentists use concave mirrors because the image can be: 5 Scattering of light by colloidal particles gives rise to: 6 Which statements about C are true? I. A ray through C retraces…