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VLD [36.1K]
3 years ago
11

Time: distance: direction:velocity

Physics
1 answer:
juin [17]3 years ago
7 0
Do you want the formula?

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Define the focus of a concave lens ​
Sophie [7]

Answer:

<u>Principal</u><u> </u><u>focus</u><u> </u><u>of</u><u> </u><u>concav</u><u>e</u><u> </u><u>lens</u><u> </u><u>-</u><u> </u>

★ The point at which rays parallel to principal axis coming from infinity appear to converge after being refracted from concave lens is called the principal focus of concave lens.

<em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em>

• <u>Additional</u><u> information</u><u> </u><u>-</u><u> </u>

★ Principal focus - A number of rays parallel to the principal axis after reflection from a concave mirror meet at a point on the principal axis or appear to come from a point after reflection from a convex mirror on the principal axis. This is called principal focus.

8 0
3 years ago
Examine the graph. Select the statement that best describes the energy change in the particles of a substance during melting.
serg [7]

Answer:

B)  Absorbed energy results in the change in potential energy.

Explanation:

i got it wrong on usatestpreo

3 0
3 years ago
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Most people will experience hyposmia at some point in their life.<br> OA True<br> OB. False
suter [353]

Answer:

False

Explanation:

it is very rare to get hyposmia

5 0
3 years ago
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What is peer review.why is it important​
madam [21]

Acc to

Publisso

Peer review is subjecting the author's scholarly work and research to the scrutiny of other experts in the same field to check its validity and evaluate its suitability for publication.

A peer review helps the publisher decide whether a work should be accepted.

6 0
3 years ago
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What is an example of a wave that is not mechanical and how is it different?
vovikov84 [41]

Answer:

light is an example of a wave that is not mechanical .

it is different as it does not need material medium for its propagation

5 0
3 years ago
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