Question

When a cell is magnified by using ocular of 4x and objective lens if 40x and the magnified size of the cell is 1 mm what was the actual size of the cell? (with appropriate formula)​

A) 0.01 mm
B) 0.025 mm
C) 0.04 mm
D) 0.4 mm

Answer 1

The actual size of a cell magnified using a 4x ocular lens and a 40x objective lens, resulting in a magnified size of 1 mm, is 0.01 mm.

Step-by-step explanation:

When a cell is magnified using an ocular lens of 4x and an objective lens of 40x, the total magnification is the product of the two, which is 160x (4x ocular magnification times 40x objective magnification equals 160x total magnification). To find the actual size of the cell, you use the formula:

Actual Size = Magnified Size / Total Magnification

In this case, the magnified size of the cell is 1 mm, so the actual size of the cell becomes 0.01 mm (1 mm / 160x).

The correct answer to the magnified size of the cell is thus (A) 0.01 mm.