1
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

On replacing a thin film of mica of thickness $$12 \times 10^{-5} \mathrm{~cm}$$ in the path of one of the interfering beams in Young's double slit experiment using monochromatic light, the fringe pattern shifts through a distance equal to the width of bright fringe. If $$\lambda=6 \times 10^{-5} \mathrm{~cm}$$, the refractive index of mica is

A
1.1
B
1.3
C
1.5
D
1.4
2
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

When two light waves each of amplitude '$$A$$' and having a phase difference of $$\frac{\pi}{2}$$ superimposed then the amplitude of resultant wave is

A
$$\frac{\mathrm{A}}{\sqrt{2}}$$
B
$$2 \mathrm{~A}$$
C
$$\sqrt{2} \mathrm{~A}$$
D
$$\frac{\mathrm{A}}{2}$$
3
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two wavelengths of sodium light $$590 \mathrm{~nm}$$ and $$596 \mathrm{~nm}$$ are used one after another to study diffraction due to single slit of aperture $$2 \times 10^{-6} \mathrm{~m}$$. The distance between the slit and the screen is $$1.5 \mathrm{~m}$$. The separation between the positions of first maximum of the diffraction pattern obtained in the two cases is

A
5.5 mm
B
5.75 mm
C
6.25 mm
D
6.75 mm
4
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The diffraction fringes obtained by a single slit are of

A
equal width
B
equal width and unequal intensity
C
unequal width but equal intensity
D
unequal width and unequal intensity
MHT CET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12