3 years ago

The light rays in the illustration below do not properly focus at the focal point. this problem occurs with?

Physics

1 answer:

tankabanditka [31]3 years ago

7 0

Answer:

The problem occurs with all spherical mirrors.

Spherical mirrors are practical up to about inches in diameter.

Reflecting telescopes use spherical mirrors for apertures up to about 4 ".

Larger aperture telescopes use parabolic mirrors to obtain sharp focus.

You might be interested in

HOW DO U FEEL WHEN U PLAY OR WATCH BADMINTON?

True [87]

Answer:

I feel exited and happy I enjoy it with my friend

6 0

3 years ago

This phenomenon is known as the bends. If a scuba diver rises quickly from a depth of 25.0 m in Lake Michigan (which is fresh wa

Sveta_85 [38]

Explanation:

Attachments of the solution are below.

6 0

3 years ago

Two separate but nearby coils are mounted along the same axis. A power supply controls the flow of current in the first coil, an

Anit [1.1K]

Answer:

b.only when the current in the first coil changes.

Explanation:

An induced current flow in the second coil only when there is a change in current in the first cool. A steady current will produce no change in flux (due to magnetic effect of a current) by the first coil, and according to Faraday, induced current is only produced when there is a change in flux linkage.

8 0

3 years ago

why is a train more difficult to stop then a rolling ball even if they are traveling at the same speed? URGENT

zloy xaker [14]

Think of the formula force=mass x acceleration. even though they have the same acceleration, a train has more mass. is that helpful?

5 0

2 years ago

A turtle moves at an average speed of 0.2m/S towards the finish line that is 80m away from the starting line. A rabbit,racing wi

klasskru [66]

Answer:

5.6mls

Explanation:

3 0

2 years ago