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Interference pattern Positions of Bright and Dark bands and band width.
Figure 4 S1 & S2 : The "Sources" of light M : Midpoint of line joining S1 & S2 O : Central Bright band of the pattern
x, d < < D
\ D = S2R + RP - S1P = S2R ( ... RP @ S1P as d <<D) = d sin q ( In D S1S2R)
= d tan q ( \ q £ 100 as d <<D) |
18.1 Interference of light Follow @Pinkmonkey_com  |
