SATHEE: Optics 6 Question 30

Optics 6 Question 30

32. In Young’s double slit experiment, the separation between the slits is halved and the distance between the slits and the screen is doubled. The fringe width is

$(1981, 2 M)$

(a) unchanged

(b) halved

(d) quadrupled

Match the Column

Show Answer

Solution:

$ω = \frac{λ D}{d}$

$d$ is halved and $D$ is doubled

$∴$ Fringe width $ω$ will become four times.

$∴$ Correct option is $(d)$ .

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Optics 6 Question 30

32. In Young’s double slit experiment, the separation between the slits is halved and the distance between the slits and the screen is doubled. The fringe width is

Match the Column

Solution:

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