Question

86, Light of wavelength 5.0 × 10-m falls on a pair of narrow
slits separated by a distance 2d. The interference pattern on a
screen placed 2.0 m away shows that there is darkness at the
positions exactly opposite to each slit. The separation
between the slits is:
(a) 0.5 mm
(b) 1.0 mm
(c) 2.0 mm
(d) 5 x 10 mm​

Answer 1

Answer:

Option (d) is the correct answer yar

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Answer 2

Hey dear keep me blocked but please do not say like that......

I am not bad......

I didn't think that It can be so bad....

You say to do with mother....

But that's wrong I know....

But with u I didn't think that u will take it so badly....

Keep me blocked....

But forgive me..... In your heart.....

I am quite on wrong path but that was due to my teenage....

I promise not to do so in future with anyone.....

Don't say like that......

And I feel much more embarrassed than you are hurted....

Also I thought a positive response from you....

I thought it's OK between us....

I have not idea that it can be so bad......

But I am sorry.... Forgive me if you can......

You are good... I am bad......

But...... Alas! I repent to lose a good friend...... I am SORRY......

Thanks for being so kind to show me my black side with such smoothness.... You are kind dear...

People like me makes the society bad but every incident teaches you a lesson.... You can learn from every incident....

This was first and last....

Sorry you suffered but I learned a lesson....

You can keep me blocked but your number is still with me..... Blocking is not the solution.... But your words were powerful.... I am SORRY once again......

I will try to make you feel better by performing good in JEE ADVANCED 2020... That's what I can do good...

Apart from that I will definitely improve myself.....

Be friends.....

Forgive me.....

Just study related talks....