In a double-slit arrangement the slits are separated by a distance equal to 120 times the wavelength of the light passing through the slits. (a) What is the angular separation between the central maximum and an adjacent maximum

In a double-slit arrangement the slits are separated by a distance equal to 120 times the wavelength of the light passing through the slits. (a) What is the angular separation between the central maximum and an adjacent maximum(b) What is the distance between these maxima on a screen 5.79m from the slits?

a

b

Explanation:

From the question we are told that

   The  slit separation is  

Here is the wavelength of the light

   Generally the condition for constructive interference is  mathematically represented as

=>    

=>    

Here n is the order of maxima which is  1 given that we are considering the central maximum and an adjacent maximum

So  

=>    

Generally given that the distance of the screen is  D =  5.79 m from the slit then the distance between these maxima is mathematically represented as

=>      

=>      

scientific laws are the result of testing theories and proving them to be facts.

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