Question

Q.4 Give one use:
a) A convex lens
b) A Plane mirror
c) A Newton's Disc
d) A convex mirror
e) A concave mirror​

Answer 1

$\huge\bf{{\color{navy}{a}}{\color{indigo}{n}}{\color{blue}{s}}{\blue{w}}{\color{skyblue}{e}}{\color{lightblue}{r}}}$

${\blue{ Convex \: lens }}$

Another common exampleof the use of this type of lens is a magnifying glass.

${\blue{ Plane \: Mirror }}$

Mirrors used in periscopes and kaleidosNewt

${\blue{ Newton's \: Disc }}$

When the disc is rotated, the colors fade to white; Isaac Newton used this disc to demonstrate that white light is a combination of the seven different colours found in a rainbow.

${\blue{ Convex \: Mirror }}$

These convex mirrors are used for cars because they give an upright image and provide a wider field of view as they are curved outwards.

${\blue{ concave \: Mirror }}$

Concave mirrors are commonly used in torches, searchlights and headlights of vehicles to get powerful parallel beams of light.

$\huge\bf{{\color{navy}{Hope}}~{\color{blue}{it}}~{\blue{helps..!!}}}$

$\huge{@arneet \: kaur}$