1.

Rakesh performs the experiments on tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. He observes that in all cases

Answer»

`angle i gtangle R " but " angle i = angle E`
`angle i LT angle r " but " angle i =angle e`
`angle i GT angle e " but " angle i = angle r`
`angle ilt angle e " but " angle i = angle r `

ANSWER :A


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