Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

Which microscope component directly regulates image contrast and light cone aperture?
Options
A Iris diaphragm
Correct Answer
B Rheostat knob
C Mechanical stage control
D Fine adjustment knob
Correct Answer

Option A is the correct answer.

Detailed Explanation

Adjusting the iris diaphragm controls the cone of light entering the objective, directly modulating contrast and depth of field.

Hint

No hint available

Question Info