A dichromatic light of wavelength 5600 A and 6300 A pass through a prism of crown glass- Then-A- Deviation for both wavelengths is same-B- Deviation for wavelength 5600 A is greater than deviation for wavelength 6300 -C- Deviation for wavelength 6300 - is greater than deviation for wavelength 5600 AD- Both will emerge without deviation-

The correct option is B Deviation for wavelength 5600 ∘A is greater than deviation for wavelength 6300 ∘A Smaller is wavelength of incident ray, more is ref ...

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Standard X

Physics

Visible Rays

A dichromatic...

Question

A dichromatic light of wavelength 5600 $\circ A$ and 6300 $\circ A$ pass through a prism of crown glass.Then:

Deviation for both wavelengths is same.

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Both will emerge without deviation.

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Deviation for wavelength 5600 $\circ A$ is greater than deviation for wavelength 6300 $\circ A$

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Deviation for wavelength 6300 $\circ A$ is greater than deviation for wavelength 5600 $\circ A$

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Solution

The correct option is C
Deviation for wavelength 5600 $\circ A$ is greater than deviation for wavelength 6300 $\circ A$

Smaller is wavelength of incident ray, more is refractive index of material for this colour, hence more is deviation.

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A dichromatic light of wavelength 5600 ∘A and 6300 ∘A pass through a prism of crown glass.Then:

The correct option is C Deviation for wavelength 5600 ∘A is greater than deviation for wavelength 6300 ∘A Smaller is wavelength of incident ray, more is refractive index of material for this colour, hence more is deviation.

A dichromatic light of wavelength 5600 $\circ A$ and 6300 $\circ A$ pass through a prism of crown glass.Then:

The correct option is C
Deviation for wavelength 5600 $\circ A$ is greater than deviation for wavelength 6300 $\circ A$

Smaller is wavelength of incident ray, more is refractive index of material for this colour, hence more is deviation.