Physics: Asmall candle is 33 cm from a concave mirror having a radius of curvature of 24 cm. a) what is the focal length of the mirror? follow the sign conventions. b) where will the image of the candle be located? follow the sign conventions. c) is the image inverted or upright?

Asmall candle is 33 cm from a concave mirror having

Ответ:

jerrica988

31.12.2021

Physics

Explanation:

It is given that,

Object distance from a concave mirror, u = -33 cm

Radius of curvature of the mirror, R = -24 cm (in front of mirror)

(a) The relation between focal length (f) of the mirror and the radius of curvature is given by :

R = 2 × f

$f=\dfrac{R}{2}$

f = -12 cm

(b) Mirror's formula is given by :

$\dfrac{1}{f}=\dfrac{1}{u}+\dfrac{1}{v}$ , v is the image distance

$\dfrac{1}{v}=\dfrac{1}{f}-\dfrac{1}{u}$

$\dfrac{1}{v}=\dfrac{1}{-12}-\dfrac{1}{-33}$

v = −18.85 cm

$m=\dfrac{-v}{u}$

$m=\dfrac{-(-18.85)}{-33}$

m = -0.57

As the magnification of the mirror is less than 1, so the image is inverted. Hence, this is the required solution.

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Ответ:

dilly1190

07.08.2022

Physics

The parts closer to the equator.

Explanation:

The parts of the earth closer to the equator are similar to the plate, because they receive more sunlights than other parts. Which makes them hotter than any other regions in the earth. Example of such countries are Gabon, Uganda, Kenya, Maldives, the democratic republic of Congo, sao tome and principle e.t.c

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Asmall candle is 33 cm from a concave mirror having a radius of curvature of 24 cm. a) what is the focal length of the mirror? follow the sign conventions.
b) where will the image of the candle be located? follow the sign conventions.
c) is the image inverted or upright?

Ответ:

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