Physics, asked by Veerana7802, 2 months ago

A light of wavelength 6500 Ǻ falls normally on a grating of 3.5 cm length. The first order spectrum is obtained at 19.5ofrom normal, calculate total number of lines on grating surface.

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Answered by polamarasettiniharik

0

Explanation:

the answer is 56.98 the answer of

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