Function of a Compound Microscope

What is the total magnification of a microscope with two lenses when one lens has a magnification of 10x, and the other lens has a magnification of 30x?

• 15x
• 30x
• 40x
• 300x

A microscope is an instrument that.

• makes faraway objects look closer.
• makes small objects appear larger.
• decreases the size of small objects.
• increases the size of small objects.

When should the fine adjustment knob always be used?

• with the low power objective only
• with the medium power objective only
• with the high power objective only
• with both the medium and high power objectives

If you move the slide left while viewing, in which direction will it appear to move?

• right 
• left
• up 
• down

Tags

NGSS.MS-LS1-8

If your teacher asks you to move a microscope to table, how do you carry it?

• by the body tube and the eyepiece
• with one hand
• one hand on the arm and the other under the base
• with one hand on the base and the other on the eyepiece.

Which part of the microscope controls the amount of light available?

• coarse adjustment knob
• diaphragm
• objective lens
• revolving nosepiece

Which part lets you turn up the power of magnification, such increasing from 40x to 100x?

• coarse adjustment knob
• diaphragm
• field-of-view
• revolving nosepiece

When looking at a specimen on your slide, you should always start with the

• low objective lens
• medium objective lens
• high objective lens
• super extra high power lens

The _______focuses the image under low power.

• revolving nosepiece
• fine adjustment knob
• coarse adjustment knob
• arm/neck

The__________ sharpens the image under high magnification.

• the diaphragm
• fine adjustment knob
• coarse adjustment knob
• the ocular