The velocity of light in a medium is half its velocity in air. If ray of light emerges from such a medium into air
Sahay Sir > Question Answers > The velocity of light in a medium is half its velocity in air. If ray of light emerges from such a medium into air
Consider the situation shown in figure. Water (μ=4/3) is filled in a beaker up to a height of 10cm. A plane mirror is fixed at a height of 5 cm from the surface of water. Distance of image from the mirror after reflection from it of an object O at the bottom of the beaker is
15
Nov
Consider the situation shown in figure. Water (μ=4/3) is filled in a beaker up to a height of 10cm. A plane mirror is fixed at a height of 5 cm from the surface of water. Distance of image from the mirror after reflection from it of an object O at the bottom of the beaker [...]
A convex lens of focal length 20cm and a concave lens of focal length f are mounted coaxially 5cm apart. Parallel beam of light incident on the convex lens emerges from the concave lens as a parallel beam. Then, f in cm is
15
Nov
A convex lens of focal length 20cm and a concave lens of focal length f are mounted coaxially 5cm apart. Parallel beam of light incident on the convex lens emerges from the concave lens as a parallel beam. Then, f in cm is at which it will be totally internally reflected is the angle of [...]
The velocity of light in a medium is half its velocity in air. If ray of light emerges from such a medium into air, the angle of incidence, at which it will be totally internally reflected, is
15
Nov
The velocity of light in a medium is half its velocity in air. If ray of light emerges from such a medium into air, the angle of incidence, at which it will be totally internally reflected, is at which it will be totally internally reflected is the angle of incidence The velocity of light in [...]