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(c) - 15 cm
(c) – 15 cm
(c) 1.s
(a) real
(c) undeviated
An object at a distance of 30 cm from a concave mirror gets its image at the same point. The focal length of the mirror is
(c) - 15 cm
(c) – 15 cm
See lessIf the speed of light in a medium is 2 x 10⁸ m/s its refractive index is
(c) 1.s
(c) 1.s
See lessIf a convergent beam falls on a plane mirror the image formed is
(a) real
(a) real
See lessAll the rays passing through the optical center of a concave lens will go
(c) undeviated
(c) undeviated
See less