a magnifying glass magnifies an object by 723 times. an object appears 323 in under the glass. find the original size of the obj

A magnifying glass magnifies an object by 7 2 3 times. An object appears 3 2 3 in under the glass. Find the original size of the object. => 1 2 in or 1 in or 2 in or None of the a..

1 acts as an object for the eye lens. The final image I 2 is virtual and is magnified still further. It is inverted compared with the object. I 2 may appear 1000 times larger than the object..

>At the time of sunrise and sunset, light from Sun has to pass maximum distance through Earth's atmosphere. As l r > l b red color is scattered least and can enter into our eyes. That is why sun looks red at the time of sunrise and sunset. Clouds are seen due to scattering of li..

Simple Microscope - A simple microscope is nothing but a single biconvex lens. It is referred to as magnifying glass. Magnifying Glass Usually the focal length of the convex lens is around 2.5 cm. The object to be viewed through a simple microscope ..

Microscope - Parts and Working - You need to get acquainted with the usage of the microscope, for observing cells. On the screen is the figure of a light microscope. Study the parts and learn their name..

You need to get acquainted with the usage of the microscope, for observing cells. On the screen is the figure of a light microscope. Study the parts and learn their names...

Question: When a person uses a convex lens as a simple magnifying glass, the object must be placed at a distance. 1. less than one focal length 2. more than one focal length 3. less than twice the focal length 4. more than twice the focal length ..

="tblheader"> Position of the object Position of the image Nature and size of the image Use At infinity At the focus Real, inverted and diminished Used by ENT surgeons and dentists Beyond the centre of curvature Between the focus and the centre of curvature Real, inverted and di..

. Some of the important applications of total internal reflection are brilliance of diamond, totally reflecting glass prisms, optical fibres, mirage (false appearance of water in deserts in hot summer season) etc., A surface, which forms a part of a sphere of transparent refract..