Asked by Tommie Rumsey on Jul 31, 2024
Verified
Which part of the microscope is responsible for making small changes in focus when using the high-power objective lens?
A) Fine adjustment knob
B) Iris diaphragm lever
C) Rotating nosepiece
D) Coarse adjustment knob
E) Substage illuminator
Fine Adjustment Knob
The fine adjustment knob is part of a microscope used for making small adjustments to the focus, allowing for clearer visualization of the specimen at high magnifications.
High-Power Objective
A microscope lens typically with magnification of 40x to 100x, used for viewing fine details of a specimen.
Iris Diaphragm
A part of the microscope that adjusts the size of the aperture, controlling the amount of light passing through the specimen.
- Understand the fundamentals of magnification, the visibility of specimens, and methods of focusing.
Verified Answer
CB
Craig BarkusAug 06, 2024
Final Answer :
A
Explanation :
The fine adjustment knob is responsible for making small changes in focus when using the high-power objective lens. The coarse adjustment knob is used to bring the specimen into approximate focus, and the fine adjustment knob is used to make small and precise adjustments to the focus.
Learning Objectives
- Understand the fundamentals of magnification, the visibility of specimens, and methods of focusing.