JEE Main 2024 (Online) 5th April Evening Shift | Wave Optics Question 52 | Physics

Statement II : The refractive indices are different for different wavelengths in dispersive medium. In the light of the above statements, chose the correct answer from the options given below :

Both Statement I and Statement II are true

Statement I is true but Statement II is false

Statement I is false but Statement II is true

Both Statement I and Statement II are false

JEE Main 2024 (Online) 5th April Morning Shift

MCQ (Single Correct Answer)

-1

Light emerges out of a convex lens when a source of light kept at its focus. The shape of wavefront of the light is :

cylindrical

spherical

plane

both spherical and cylindrical

JEE Main 2024 (Online) 4th April Evening Shift

MCQ (Single Correct Answer)

-1

The width of one of the two slits in a Young's double slit experiment is 4 times that of the other slit. The ratio of the maximum of the minimum intensity in the interference pattern is:

$$1: 1$$

$$4: 1$$

$$16: 1$$

$$9: 1$$

JEE Main 2024 (Online) 1st February Evening Shift

MCQ (Single Correct Answer)

-1

A microwave of wavelength $2.0 \mathrm{~cm}$ falls normally on a slit of width $4.0 \mathrm{~cm}$. The angular spread of the central maxima of the diffraction pattern obtained on a screen $1.5 \mathrm{~m}$ away from the slit, will be :

$60^{\circ}$

$45^{\circ}$

$15^{\circ}$

$30^{\circ}$

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