A lens has a power of +0.5D. It is:
A lens has a power of +0.5D. It is:
2 years ago
Light MCQs
Light waves spreading from two sources produce interference only if they are
Light waves spreading from two sources produce interference only if they are
2 years ago
In which of the given cases do we get very strong reflected rays and very weak refracted rays ?
In which of the given cases do we get very strong reflected rays and very…
2 years ago
The focal length of a concave mirror is 50 cm. To obtain an inverted image two times the size of the object the object should be placed at
The focal length of a concave mirror is 50 cm. To obtain an inverted image…
2 years ago
The focal length of the object of microscope is
The focal length of the object of microscope is
2 years ago
In order to increase the magnifying power of a microscope
In order to increase the magnifying power of a microscope
2 years ago
A convex lens of power P is immersed in a water. How will its power change ?
A convex lens of power P is immersed in a water. How will its power…
2 years ago
Using a convex lens, a clear image of candle flame is produced on a screen. How many other clear images can be received on this screen if only the lens is to be shifted ?
Using a convex lens, a clear image of candle flame is produced on a screen.…
2 years ago
A parallel beam of light is incident on a converging lens parallel to its principal axis. As we move away from the lens on the other side on its principal axis the intensity of light
A parallel beam of light is incident on a converging lens parallel to its principal…
2 years ago