3 years ago

What are the major atomic bonds GIVING 20 POINTS Will give BRAINLIEST to the BEST ANSWER

1 answer:

3 0

Answer:

imani it's me lilly...im using my friends acc ahahaha my acc got banned for 2 days so am gonna use her acc please answer soon bbygrll

Explanation:

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420

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3 years ago

A myopic person has a far point of 1.000m. If she wears her eyeglass 2.0cm in fromt of here eyes, what is the power of her eye g

Iteru [2.4K]

Answer:

51 dioptre

Explanation:

u = Object distance = 2 cm

v = Image distance = 1 m

f = Focal length

Lens Equation

$\frac{1}{f}=\frac{1}{u}+\frac{1}{v}\\\Rightarrow \frac{1}{f}=\frac{1}{0.02}+\frac{1}{1}\\\Rightarrow \frac{1}{f}=\frac{1.02}{0.02}\\\Rightarrow \frac{1}{f}=51\\\Rightarrow f=\frac{1}{51}$

Power of lens

$P=\frac{1}{f}\\\Rightarrow P=\frac{1}{\frac{1}{51}}\\\Rightarrow P=51\ D$

Power of the eye lens is 51 dioptre.

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