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Vika [28.1K]
3 years ago
14

A converging lens can produce both real and virtual images depending on the position of the object. Explain when converging lens

es can produce virtual images and describe the image produced.
A) A virtual image is produced if the object is on the focal point, the image is upright, enlarged and on the same side of the lens as the object.

B) A virtual image is produced if the object is on the focal point, the image is inverted, enlarged and on the opposite side of the lens from the object.

C) A virtual image is produced if the object is between the focal point and the lens, the image will be upright, enlarged and on the same side of the lens
as the object.

D) A virtual image is produced if the object is between the focal point and the
lens, the image will be upright, reduced and on the opposite side of the
lens from the object.

Physics
2 answers:
inessss [21]3 years ago
5 0

Answer: C

Explanation:

Svet_ta [14]3 years ago
3 0

Answer:

c

Explanation:

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The speed of the wave created by Linh in the spring by moving the other end right and left with a frequency of 2 Hz is 1m/s.

<h3>How to calculate speed of a wave?</h3>

The speed of a wave can be calculated by using the following formula:

Speed = Wavelength x Frequency

According to this question, Linh creates waves in the spring by moving the other end right and left with a frequency of 2 Hz. If wave crests are 0.5 m apart, the speed can be calculated as follows:

speed = 2Hz × 0.5m

speed = 1m/s

Therefore, the speed of the wave created by Linh in the spring by moving the other end right and left with a frequency of 2 Hz is 1m/s.

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Answer:A

Explanation:

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3 years ago
Star A and Star B have different apparent brightnesses but identical luminosities. Star A is 10 light years away from earth and
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intensity of a star is inversely depends on the square of the distance from the star

we can say it is given as

\frac{I_1}{I_2} = \frac{r_2^2}{r_1^2}

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also we know that

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\frac{I_1}{I_2} = \frac{r_2^2}{r_1^2}

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