Quiz on Basic Optics and Microscopy

Who is known for the simple microscope?

• Albert Einstein

• Paul Klosen

• Antonie van Leeuwenhoek

• Robert Hooke

What is the formula for magnification in optics?

• m = f/o

• m = i/o

• 1/o + 1/i = 1/f

• f = o + i

What type of image does a simple microscope produce?

• Magnified image

• Real image

• Virtual image

• Inverted image

What is the primary function of a condenser in microscopy?

• To magnify the image

• To collect and focus light

• To create contrast

• To adjust the focal length

What does the numerical aperture (n.a.) of an objective lens indicate?

• The lens's ability to gather light

• The lens's magnification power

• The lens's resolution limit

• The lens's focal length

Which type of aberration is corrected by an achromatic objective?

• Optical aberration

• Geometric aberration

• Chromatic aberration

• Spherical aberration

What is the resolution limit for photonic microscopy generally estimated at?

• 100 nm

• 300 nm

• 400 nm

• 200 nm

What is the purpose of the Koehler illumination technique?

• To magnify the specimen

• To improve light intensity

• To enhance color contrast

• To achieve even illumination

What type of microscopy uses polarized light?

• Fluorescence microscopy

• Polarizing microscopy

• Phase contrast microscopy

• Dark field microscopy

What is the main advantage of using oil immersion objectives?

• Increased magnification

• Enhanced depth of field

• Reduced light loss

• Improved color resolution