Question

An electromagnetic wave is incident normally on a diffraction grating. A second-order maximum is produced at an angle of 30 to a normal to the grating. The grating has 5000 lines per cm. What is the wavelength of the wave?

Answer 1

Answer:

166.67

Explanation:

wavelength = angle/grating

so

5000/30

=166.67

plz mark brainliest

Answer 2

Answer:

The wavelength is $166.67cm$.

Explanation:

It is given that grating has $5000$ lines per cm.

angle is $30^{0}$

Wavelength is the distance between identical points.

Wavelength is ratio of grating and angle.

Wavelength = $\frac{5000}{30}$

$=166.67cm$

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