Microscopy

The image of a prepared slide is viewed with a 10x objective lens.

The total magnification is x50

What was the power of the eyepiece lens used

• 40x

• 5x

• 50x

A muscle cells was 0.05 mm wide.

When viewed using a microscope the image of the muscle cells was 2 mm wide.

Calculate the magnification used to view the cell.

• 40

• 0.025

• 0.1

A student viewed a section of a leaf using a microscope.

The student measured the length of one of the palisade cell.

The cell image measured 28 mm in length when viewed with a magnification of x400.

Calculate the real length of the palisade cell.

• 0.07

• 70

• 700

A student prepared a microscope slide of cheek cells.

The student looked at one cell using a microscope.

What should the student do to get a clear image?

• Adjust the focus knob

• Make the light dimmer

• Put water on the slide

A student looked at a cell.

The image width of the cell was 40 mm

The real width of the cell was 0.01 mm

Calculate the magnification of the cell.

• 400

• 40

• 4

Name part A

• objective lens

• stage

• light

• eyepiece

What is the function of part B?

• To focus the image

• To look through

• To magnify the image

What is the function of part A?

• To adjust the focus of the microscope

• To direct light into the viewer's eye

• To hold a slide in place

• To magnify the image of a specimen

• To support the microscope

What is the function of part B?

• To adjust the focus of the microscope

• To direct light into the viewer's eye

• To hold a slide in place

• To magnify the image of a specimen

• To support the microscope

What is the function of part C?

• To adjust the focus of the microscope

• To direct light into the viewer's eye

• To hold a slide in place

• To magnify the image of a specimen

• To support the microscope