CBSE Class 12-science Answered
WhAT IS THE DEFINITION OF DISPERSIVE POWER & HOW CAN WE CALCULATE IT WHEN DIFFERENT COLOURS ARE GIVEN ? PLS EXPLAIN .
Asked by | 29 Mar, 2013, 09:00: PM
Expert Answer
Dispersive power of the prism is given by the formula
? = (?v ?r)/(? 1)
here ? 1 is the mean deviation. Also we can take ? with respect to yellow light as it is midway in the VIBGYOR series. ?v and ?r are the refractive index of prism for violet and red colours respectively.
Answered by | 30 Mar, 2013, 10:58: AM
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