1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Distance of 5th dark fringe from centre is $$4 \mathrm{~mm}$$. If $$D=2 \mathrm{~m}, \lambda=600 \mathrm{~nm}$$, then distance between slits is

A
$$1.35 \mathrm{~mm}$$
B
$$2.00 \mathrm{~mm}$$
C
$$3.25 \mathrm{~mm}$$
D
$$10.35 \mathrm{~mm}$$
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

A light of wavelength $$500 \mathrm{~nm}$$ is incident on a Young's double slit. The distance between slit and screen is $$D=1.8 \mathrm{~m}$$ and distance between slits is $$d=0.4 \mathrm{~mm}$$. If screen moves with a speed of $$4 \mathrm{~m} / \mathrm{s}$$, then with what speed first maxima will move?

A
5 mm/s
B
4 mm/s
C
3 mm/s
D
2 mm/s
3
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : Distance between position of bright and dark fringe remain same in YDSE.

Reason : Fringe width, $$\beta=\frac{\lambda D}{d}$$

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
4
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : Incoming light reflected by earth is partially polarised.

Reason : Atmospheric particle polarise the light.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
AIIMS Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12