Microscopy Quiz

What does the prefix "centi" represent in terms of measurement?

• One millionth

• One hundredth

• One billionth

• One thousandth

What does the prefix "milli" represent in terms of measurement?

• One millionth

• One hundredth

• One billionth

• One thousandth

Why do electron microscopes have such higher resolutions than optical (light) microscopes?

• They use visible light

• They use electrons with shorter wavelengths

• They have larger lenses

• They are more expensive

Which of these is the correct formula for calculating image size?

• Magnification x Object size

• Object size / Magnification

• Magnification / Object size

• Object size - Magnification

What is the formula for magnification?

• Magnification = actual size / size of image

• Magnification = size of image / actual size

• Magnification = actual size x size of image

• Magnification = size of image x actual size

In the magnification equation triangle, what does "I" stand for?

• Image Size

• Actual Size

• Magnification

• Intensity

What type of microscope is used to view the organelle in the diagram?

• Light microscope

• Electron microscope

• Compound microscope

• Dissecting microscope

What does the letter 'M' represent in the formula A = I / M?

• Actual size

• Image size

• Magnification

• Measurement

Give the actual diameter of the cell in micrometres, if the image (in cm) is magnified x1000?

• 1

• 10

• 100

• 1,000

What is the magnification (M) used in the diagram if the distance between the scale marks is 1.5 mm and red blood cells are 6 µm.

• 1000

• 2000

• 3000

• 4000