so that common base is BC. This device is called Fresnel’s biprism and is used to obtain

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Two small angled transparent prisms (each of refracting angle A = 1) are so placed that their bases coincide, so that common base is BC. This device is called Fresnel’s biprism and is used to obtain
10
Sep
Two small angled transparent prisms (each of refracting angle A = 1) are so placed that their bases coincide, so that common base is BC. This device is called Fresnel’s biprism and is used to obtain so that common base is BC. This device is called Fresnel's biprism and is used to obtain Two small [...]
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