JEE MAIN - Physics (2019 - 11th January Morning Slot - No. 15)
The variation of refractive index of a crown glass thin prism with wavelength of the incident light is shown. Which of the following graphs is the correct one, if Dm is the angle of minimum deviation?
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_11th_January_Morning_Slot_en_15_2.png)
_11th_January_Morning_Slot_en_15_3.png)
_11th_January_Morning_Slot_en_15_4.png)
_11th_January_Morning_Slot_en_15_5.png)
Penjelasan
Since Dm = ($$\mu $$ $$-$$ 1) A & on increasing the wavelength, $$\mu $$ decreases & hence Dm decreases.