Solve for both single slit and double slit. ne of the problems below will be eno

Question

Solve for both single slit and double slit. ne of the problems below will be enoseas t esponse Problem will be identical to what's written below but the Slit / Single 1. A 500 nnm wavelength of light is shown through one of the following scenarios (Double ratings) and a pattern is produced on a wall that is located 3 meters away a. S ketch the pattern produced on the wall and label the m values: Incoming wavelength of light Sketch the type of opening, x=3m Wall b. Qualitatively describe the pattern produced including bright and dark fringes and their c. Given a distance: (between slits/ width of opening /number of lines/mm) identify and d. Qualitatively explain how the pattern would change under each of the following separate relationship to m calculate the first point along the wall where there is a (maximum / minimum) intensity. experimental modifications: i. The slit distance/opening is (increased / decreased) li. The wavelength of incoming light is (increased / decreased) ii. The frequency of incoming light is (increased / decreased) iv. The experiment is performed under water

Explanation / Answer

Distance from the slit to the screen, D = 3m

Let 'd' be the distance between the two slits causing the interference pattern.

By the principle of interference, condition for constructive interference is the path difference = n

xd/D = n

Here, n = 0,1,2.....indicate the order of bright fringes

So, x = (D/d) n

This equation gives the distance of the nth bright fringe from the mid-point on the wall.

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