Wave Optics JEE Main Solution | Plane Wave Direction Question

JEE MAIN 2025

02-04-2025 SHIFT-1

Question

A light wave is propagating with plane wave fronts of the type $x + y + z = $ constant. The angle made by the direction of wave propagation with the x-axis is :

Select the correct option:

${\cos ^{ - 1}}\left( {\sqrt {\frac{2}{3}} } \right)$

${\cos ^{ - 1}}\left( {\frac{1}{3}} \right)$

${\cos ^{ - 1}}\left( {\frac{1}{{\sqrt 3 }}} \right)$

${\cos ^{ - 1}}(2/3)$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Medium

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