Question

what kind of defect is this? ​

Answer 1

Answer:

Doping is done to with electron rich or electron deficient impurities. Hence, it introduces electronic defects.

Explanation:

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Answer 2

Answer:

its hypermetropia

Explanation:

a disease caused when the image is formed after the retina. its also called long farsightedness.can be corrected by using eye lens and glasses