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Find the power of a concave lens with a focal length of 2 m.

Sagot :

GinnyAnswer
Sure! Let's find the power of a concave lens with a focal length of 2 meters.

The power of a lens (P) is calculated using the formula:

[tex]\[ P = \frac{1}{f} \][/tex]

where [tex]\( P \)[/tex] is the power of the lens (measured in diopters, D) and [tex]\( f \)[/tex] is the focal length of the lens (measured in meters).

Given:
- The focal length, [tex]\( f \)[/tex], of the concave lens is 2 meters.

Now, substituting the given focal length into the formula:

[tex]\[ P = \frac{1}{2} \][/tex]

Therefore, the power of the concave lens is:

[tex]\[ P = 0.5 \, \text{D} \][/tex]

So, the power of the concave lens with a focal length of 2 meters is [tex]\( 0.5 \)[/tex] diopters.
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