Light with a wavelength of ? = 633 nm is shone first on a single slit of width w = 4.5?m. The single slit is then replaced with a double slit separated by a distance w. The ratio of the single slit angle to the double slit angle for the first dark fringe is R?.

Find the ratio between these angles numerically.

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-the future of geothermal energy can pretty much be summed up with a single word: more

-scientists plan in going deeper than 120 meters

-we are hoping that one day, we will get all of our energy from renewable energy sources such as geothermal energy

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the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement

because growing process had stoped after 4-5 year

i believe the answer is a hope it and is correct