A ray of light when strikes a mirror in a direction perpendicular to the plane of the mirror, it gets reflected:
Where should an object be placed in front of convex lens
to get a real image of the size of the object ?
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The angle between the incident and the emergent ray in a
glass slab is
You are given three media A, B and C of refractive index
1.33, 1.65 and 1.46. The medium in which the light will
travel fastest is
No matter how far you stand from a mirror, your image
appears erect. The mirror is likely to be
A full length image of a distant tall building can definitely
be seen by using
Power of convax lens is 5 D and the power of concave lens is 2 D. What will the power of combination of these lenses when placed in contact ?
An object is placed between two plane mirror inclined at an angle of 60 degree. How many images of the object will be formed ?
The power of convex lens of focal length 25 cm is