A photo Kiran took has come out blurred
A photo Kiran took has come out blurred. She says the phone lens has gone bad. Mohan says that cannot be decided from this alone. Who is right?
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Start thinking on Socho →More disagreements in Light: Mirrors and Lenses
In a clean room a torch makes a circle on the wall, but the beam itself is not visible in betweenStanding before a mirror, Sameer raises his right hand and the reflection appears to raise its leftThe power is out and the room is completely darkDeepak uses a magnifying lens to enlarge newspaper printAnil says only shiny things, a mirror or still water, reflect light; a rough plaster wall does not