1) Is a single slit produces a first minimum at 13.3 degrees, at what angle is t

Question

1) Is a single slit produces a first minimum at 13.3 degrees, at what angle is the second-order minimum?

I got 27.3 degrees. it is correct.

2) What is the angle of the third order minimum?

I got 43.6 degrees, that is correct.

3) WHAT IS THE ANGULAR WIDTH OF THE CENTRAL MAXIMUM?

???

4) WHAT IS THE ANGULAR WIDTH OF THE NEXT MAXIMUM (WHICH IS THE ANGLE BETWEEN THE FIRST AND THE SECOND MINIMA)????

???

5) WHAT IS THE RATIO OF THE ANGULAR WIDTH OF THE CENTRAL MAXIMUM TO THE ANGULAR WIDTH OF THE NEXT MAXIMUIM?

???

Explanation / Answer

3) ANGULAR WIDTH OF THE CENTRAL MAXIMUM = width between first two minima = 2*13.3=26.6 degrees.

4) ANGULAR WIDTH OF THE NEXT MAXIMUM =Angle between first and second minima = 27.3-13.3=14 degrees

5) ratio = 26.6 /14 = 1.9

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