A student with a normal eye observes the reading on a vernier scale using a magnifying glass of focal length 10 cm. What are the minimum and the maximum distances between the scale and the magnifying glass at which he can read the scale when viewing through the magnifying glass ?
A person has normal for point (infinity) and normal near point (25 cm). He intends to read a book using a magnifying glass of f = 5 cm . What is the (i) Closest and (ii) farthest distance at which he can read the book through the magnifying glass.
Write the characteristics of the final image formed in a magnifying glass
Principal focus of a magnifying glass is
How does the magnifiaction of a magnifying glass differ from its magnifying power ?
What kind of lens is used as a magnifying glass ?
Watch repairers use a magnifying glass. Give reason
