The image of an object formed by a lens ...

The image of an object formed by a lens on the screen is not in sharp focus. Suggest a method to get a clear focussing of the image on the screen without disturbing the positions of the object, the lens or the screen.

Text Solution

Verified by Experts

For getting a sharp image, we have to use light of suitable wavelength. This is because focal length: of a lens depends upon wavelength.

Similar Questions

Explore conceptually related problems

Explain the images formed by a concave mirror for different position of the object.

A convex lens forms a real, diminished point sized image on focus. Then the position of the object is at

The size of the image formed ________ as the distance between the object and the lens decreases in convex lens.

The image of a candle formed by a convex lens is obtained on a screen. Will full size of the image be obtained if the lower half of the lens is painted completely opaque?

Which of the following forms a virtual and erect image for all position of the object.

The image of an object formed by a lens on the screen is not in sharp focus. Suggest a method to get a clear focussing of the image on the screen without disturbing the positions of the object, the lens or the screen.

Text Solution

Similar Questions

Recommended Questions