3 years ago

Please help on this one?

Physics

1 answer:

otez555 [7]3 years ago

3 0

help me w mine and ill try to help with yours

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The order of maximum is $n = 5$

Explanation:

From the question we are told that

The diffraction grating is k = 300 lines per mm = 300000 lines per m

The wavelength is $\lambda = 630 \ nm = 630 *10^{-9} \ m$

Generally the condition for constructive interference is mathematically represented as

$dsin \theta = n * \lambda$

Here n is the order maximum

d is the distance the grating which is mathematically represented as

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$n = \frac{dsin \theta}{ \lambda}$

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