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mylen [45]
1 year ago
15

If the lens in a person's eye is too highly curved, this person is suffering from?

Physics
1 answer:
Xelga [282]1 year ago
7 0

If the lens in a person's eye is too highly curved, this person is suffering from: nearsightedness.

lens is a piece of transparent material (such as glass) that has two opposite regular surfaces either both curved or one curved and the other plane and that is used either singly or combined in an optical instrument for forming an image by focusing rays of light.

The lens is used to form an image of an object by focusing rays of light from the object.

Various types of lenses are :

  • Concave lens.
  • Convex lens.
  • Plano lens.

learn more about  lens here

brainly.com/question/9757866

#SPJ4

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Answer:

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T_{\dfrac{1}{2}}=\dfrac{ln(2)}{1.55\times10^{-5}}

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Using formula of N_{0}

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(c). We need to calculate the sample's activity

Using formula of activity

R=R_{0}e^{-\lambda\times t}

Put the value intyo the formula

R=10e^{-(1.55\times10^{-5}\times30\times3600)}

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The half life is 11.3 hr.

(b). The value of N₀ is 2.38\times10^{11}\ nuclei

(c). The sample's activity is 1.87 mCi.

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