A concave lens has focal length of 20cm. Calculate at what distance from the lens should a object be placed so that it forms an image at 15cm from the lens. Also calculate the size of the image formed?
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Mark it as the brainliest answer please.
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prabhullaeb:
And also size will be V/u = h'/h...
yup sorry
its -15/-60 or 4
sorry again
Then..?
It'll be 1/4 h. Right??
its -15/-60 that is 4. i was wrong earlier
yup
yeas
have board tommorow?
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