Question

a needle placed 45 cm from a convex lens from an image on a screen placed 90 cm on other side of a lens determine its focal length what is the size of the image if the object is 5 centimetre​

Answer 1

Answer:

Explanation:

Quartiles divide a rank-ordered data set into four equal parts. The values that divide each part are called the first, second, and third quartiles; and they are denoted by Q1, Q2, and Q3, respectively.