Optical Instrumen… | NUST Entrance Test Physics

When high magnification is required, we should prefer:

Difficulty: Easy

A:

Astronomical telescope

B:

Simple microscope

C:

Compound microscope

D:

None

In compound microscope, the focal length of the eye-piece and the objective respectively are:

Difficulty: Easy

A:

Short, longer

B:

Longer, short

C:

Short, short

D:

None

The limit to which a microscope can be used to resolve details of an object, depends upon:

Difficulty: Easy

A:

Wider objective and light of short wavelength

B:

Narrow objective and light of short wavelength

C:

Narrow objective and light of longer wavelength

D:

None

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