The linear separation | Work, Power & Energy | JEE MAIN_2026

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JEE MAIN_2026

04-04-26_S2

Question

A slit of width $a$ is illuminated by light of wavelength $\lambda$. The linear separation between $1^{\text {st }}$ and $3^{\text {rd }}$ minima in the diffraction pattern produced on a screen placed at a distance D from the slit system is.

Select the correct option:

A

$\frac{D \lambda}{a}$

B

$1.5 \frac{D \lambda}{a}$

C

$2 \frac{D \lambda}{a}$

D

$3 \frac{D \lambda}{a}$

✓ Correct! Well done.

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