Question
Question: In a direct vision spectroscope, one uses a flint and a crown glass prism combination to get zero me...
In a direct vision spectroscope, one uses a flint and a crown glass prism combination to get zero mean deviation but a finite dispersion. Which of the following is an acceptable diagrammatic representation?
[C = crown, F = flint, V = violet, R = red]
A
B
C
D
Answer
Explanation
Solution
q = d1 (w1 – w2) w1 > w2 so q positive with respect to d1