AQA - Biology - Magnification

What is the formula for calculating magnification in microscopy?

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NGSS.MS-PS4-2

Which type of microscope uses a beam of electrons to create an image?

• Light Microscope

• Electron Microscope

• Compound Microscope

• Dissecting Microscope

• 1000

• 100

• 10

• 500

What is the main advantage of using a higher magnification in microscopy?

• It increases the field of view.

• It allows for the observation of smaller details.

• It decreases the resolution.

• It makes the image brighter.

What is the term used to describe the ability of a microscope to distinguish two close points as separate?

• Magnification

• Resolution

• Contrast

• Clarity

Which of the following is NOT a type of microscope?

• Light Microscope

• Electron Microscope

• Scanning Tunnelling Microscope

• X-ray Microscope

If the magnification of a microscope is 400x and the actual size of the specimen is 0.01 mm, what is the image size?

• 4 mm

• 0.4 mm

• 40 mm

• 0.04 mm

Why is magnification important in the study of cells?

• It allows for the identification of cell types.

• It helps in the visualisation of cell structures and organelles.

• It increases the speed of cell division.

• It reduces the need for staining.

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NGSS.MS-LS1-2