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The ratio of angular dispersion of to the angle of deviation for the mean wavelength is called Dispersive Power. Represented by

  • a)

  • b)

  • c)

  • d)

Correct answer is option 'A'. Can you explain this answer?
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The ratio of angular dispersion of to the angle of deviation for the m...
The ratio of angular dispersion to the angle of deviation for the mean wavelength is called Dispersive Power. Represented by 
where δv − δr is the angular dispersion for violet and red lights and δr the deviation suffered by the mean light.
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The ratio of angular dispersion of to the angle of deviation for the m...
The dispersive power(ω)Of a prism is defined as the ratio of angular dispersion to the mean deviation produced by the prism,
Mean deviation=��
Angular dispersion= ��v- ��y
Dispersive power=angular dispersion/mean deviation
Dispersive power= ��v- ��y/ ��
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The ratio of angular dispersion of to the angle of deviation for the mean wavelength is called Dispersive Power. Represented bya)b)c)d)Correct answer is option 'A'. Can you explain this answer?
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