A double-slit has a separation of and is illuminated with light

PHYSICS · Subjective · CBSE · Physics · Wave Optics · Wave Optics

Problem

A double-slit has a separation of

0.25\,\text{mm}

and is illuminated with

610\,\text{nm}

light. Determine the largest integer order

m

for which the fractional error between

\theta

and

\sin\theta

remains less than

2.0\%