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An electromagnetic radiation of frequency n, wavelength l , travelling with velocity v in air enters in a glass slab of refractive index ( m ). The frequency, wavelength and velocity of light in the glass slab will be respectively



An electromagnetic radiation of frequency n, wavelength l, travelling with velocity v in air enters in a glass slab of refractive index (m). The frequency, wavelength and velocity of light in the glass slab will be respectively



 


Grade:upto college level

1 Answers

Aditi Chauhan
askIITians Faculty 396 Points
8 years ago

(a)

When electromagnetic wave enters in other medium, frequency remains unchanged while wavelength and velocity become  times.

So, For e.m. wave entering from air to glass slab (m), frequency remains n.

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