Home Quiz Get To Know About The Optical Instruments!
Preview (10 questions)
1 Question
30 seconds
Q.

The length of time the shutter is open and the film is exposed in a camera is determined by the ___________.

Shutter speed

F-stop

Focusing

None of the above
2 Question
30 seconds
Q.

The amount of light reaching the film in a camera is determined by the ___________.

Shutter speed

F-stop

Focusing

None of the above
3 Question
30 seconds
Q.


A camera lens that covers the film with a field of view that corresponds approximately to that of normal vision is referred to as a ____________.

Normal lens

Telephoto lens

Wide-angle lens

Zoom lens
4 Question
30 seconds
Q.

A camera lens that acts like a telescope to magnify images is referred to as a ___________.

Normal lens

Telephoto lens

Wide-angle lens

Zoom lens
5 Question
30 seconds
Q.

Nearsightedness can usually be corrected with _________________.

Converging lenses

Diverging lenses

Achromatic lenses

Cylindrical lenses
6 Question
30 seconds
Q.

What type of lens is a magnifying glass?

Converging

Diverging

Spherical

Cylindrical
7 Question
30 seconds
Q.

An important reason for using a very large diameter objective in an astronomical telescope is ___________.

To increase the magnification

To increase the resolution

To form a virtual image, which is easier to look at


To increase the width of the field of view
8 Question
30 seconds
Q.

With what color light would you expect to be able to see the greatest detail when using a microscope?

Red, because of its long wavelength

Yellow, because of its right wavelength

Blue, because of its shorter wavelength

Color does not matter.
9 Question
30 seconds
Q.

Spherical lenses suffer from ______________.

Both spherical and chromatic aberration

Spherical aberration, but not chromatic aberration

Chromatic aberration, but not spherical aberration

Neither spherical nor chromatic aberration
10 Question
30 seconds
Q.

 The resolving power of a microscope refers to the ability to _____________.

Distinguish objects of different colors

Form clear images of two points that are very close together

Form a very large image

Form a very bright image