Science, asked by adityamanthri, 1 year ago

which formula to use for eye defect correction problems class 10 cbse ?

adityamanthri: my teacher gave this: f= -x

deepanshiagarwal: -x is for wt?

adityamanthri: far point

adityamanthri: of myopic eye

Answers

Answered by deepanshiagarwal

I use for myopia the lens frmula
Where f is given may be or not it depends u is infinity and image is given in ques just siply apply the frmula 1/v-1/u=1/f
Where u is infinity

adityamanthri: for hypermetropia ?

deepanshiagarwal: For hpermetropia u will be 25cm

adityamanthri: why will i be 25 cm ?

deepanshiagarwal: Look our eye can only look till 25cm ao for hypermetropic person image is on his farpoint which mens his v but the object is in its final position which is 25 cm so the object is means u =25cm

deepanshiagarwal: For more clearnc study this topic throughly

adityamanthri: ok

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