Jee Main
Wave Optics
JEE Main 2021 (Online) 31st August Evening Shift
INTEGER+4 / -12021
In a Young's double slit experiment, the slits are separated by 0.3 mm and the screen is 1.5 m away from the plane of slits. Distance between fourth bright fringes on both sides of central bright is 2.4 cm. The frequency of light used is ______________ \(\times\) 1014 Hz.