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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A paperweight in the form of a hemisphere of radius 3 cm is used to hold down a printed page (plain surface down). An observer looks at the page vertically through the paperweight.

A paperweight in the form of a hemisphere of radius 3 cm is used to hold down a printed page (plain surface down). An observer looks at the page vertically through the paperweight.

A paperweight in the form of a hemisphere of radius 3 cm is used to hold down a printed page (plain surface down). An observer looks at the page vertically through the paperweight.