Question

1) Anita from Standard 10th uses spectacles. The power of the lenses in her spectacles is 0.5 D. Answer the following questions :
a. State the type of lenses used in her spectacles.
b. Name the defect of vision Anita is suffering from.
c. Find the focal length of the lenses used in her spectacles.​

Answer 1

Explanation:

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Answer 2

Answer:

1. Convex Lens

2. Hypermetropia

3. P=1/P

f=1/

p=1/0.5

=2m =200cm

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