Question

When viewing a focused specimen in the microscope, the user sees a speck in the field of view. The speck remains in view when the objective is changed and when the specimen is moved. The speck is most likely located on the:
(A) Condenser
(B) Eyepiece
(C) Objective
(D) Specimen coverslip

• A. Condenser
• B. Eyepiece
• C. Objective
• D. Specimen coverslip

Hint:

To confirm the location of the speck, rotate the eyepiece. If the speck moves with it, it is indeed on the eyepiece.

Answer 1

The Correct Option is B

A speck visible despite adjustments to the objective or specimen is located on the eyepiece, due to the eyepiece's constant position in the optical path.