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Physics
The relation between phase difference and path difference is
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Q. The relation between phase difference and path difference is
UP CPMT
UP CPMT 2010
A
$\Delta\phi=\frac{2\pi}{\lambda}\left(\Delta x\right)$
B
$\Delta\phi=2\pi\lambda\left(\Delta x\right)$
C
$\Delta\phi=\frac{2\pi\lambda}{\lambda}$
D
$\Delta\phi=\frac{2\Delta x}{\lambda}$
Solution:
Phase difference $=\frac{2\pi}{\lambda} \times$ path difference
$\Delta\phi=\frac{2\pi}{\lambda}\times\Delta x$