A thin equiconvex lens of refractive index 3/2 and radius of curvature 30 cm
A thin equiconvex lens of refractive index 3/2 and radius of curvature 30 cm is put in water (refractive index…
7 years ago
Ray Optics
An object is placed 30 cm away from a convex lens of focal length 10 cm and a sharp
An object is placed 30 cm away from a convex lens of focal length 10 cm and a sharp image…
7 years ago
A glass slab consists of thin uniform layers of progressively decreasing refractive
A glass slab consists of thin uniform layers of progressively decreasing refractive indices refractive index such that the refractive index…
7 years ago
If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is Options (a) 0.0164 (b) 0.00701 (c) 0.0132 (d) 0.032…
7 years ago
A person cannot see the objects clearly placed at a distance more than 40 cm
A person cannot see the objects clearly placed at a distance more than 40 cm. He is advised to use…
7 years ago
If the red light is replaced by blue light illuminating the object in a microscope
If the red light is replaced by blue light illuminating the object in a microscope, the resolving power of the…
7 years ago
A Galilean telescope has an objective of focal length 100 cm and magnifying power 50
A Galilean telescope has an objective of focal length 100 cm and magnifying power 50. The distance between the two…
7 years ago
When the angle of incidence is 60° on the surface of a glass slab, it is found
When the angle of incidence is 60° on the surface of a glass slab, it is found that the reflected…
7 years ago
A ray of light is incident on a transparent glass slab of refractive index 1.62
A ray of light is incident on a transparent glass slab of refractive index 1.62. The reflected and refracted rays…
7 years ago
The optical path of a monochromatic light is same if it goes through 4.0 cm
The optical path of a monochromatic light is same if it goes through 4.0 cm of glass or 4.5 cm…
7 years ago