Microscopes and magnification

Question 1

An image of a cell is 2 mm wide at ×400. What is the real width of the cell, in micrometres (µm)? (1 mm = 1000 µm)

Answer µm

Question 2

A microscope has a ×10 eyepiece lens and a ×4 objective lens. What is the total magnification?

Answer 

Question 3

A cell is 0.02 mm wide. It is viewed at ×400. How wide is the image, in mm?

Answer mm

Question 4

An image of a cell is 1 mm wide at ×200. What is the real width of the cell, in micrometres (µm)? (1 mm = 1000 µm)

Answer µm

Question 5

A microscope has a ×10 eyepiece lens and a ×100 objective lens. What is the total magnification?

Answer 

Question 6

A cell is 0.02 mm wide. It is viewed at ×400. How wide is the image, in mm?

Answer mm

Question 7

An image of a cell is 2.5 mm wide at ×100. What is the real width of the cell, in micrometres (µm)? (1 mm = 1000 µm)

Answer µm

Question 8

A microscope has a ×15 eyepiece lens and a ×100 objective lens. What is the total magnification?

Answer 

Question 9

A cell is 0.01 mm wide. It is viewed at ×400. How wide is the image, in mm?

Answer mm

Question 10

An image of a cell is 4 mm wide at ×500. What is the real width of the cell, in micrometres (µm)? (1 mm = 1000 µm)

Answer µm

Question 11

A microscope has a ×15 eyepiece lens and a ×4 objective lens. What is the total magnification?

Answer 

Question 12

A cell is 0.1 mm wide. It is viewed at ×40. How wide is the image, in mm?

Answer mm

Question 13

An image of a cell is 1 mm wide at ×100. What is the real width of the cell, in micrometres (µm)? (1 mm = 1000 µm)

Answer µm

Question 14

A microscope has a ×10 eyepiece lens and a ×4 objective lens. What is the total magnification?

Answer 

Question 15

A cell is 0.05 mm wide. It is viewed at ×100. How wide is the image, in mm?

Answer mm

Question 16

An image of a cell is 2.5 mm wide at ×100. What is the real width of the cell, in micrometres (µm)? (1 mm = 1000 µm)

Answer µm