No because light travels in waves and can not stop 3 feet away an having power supplied like that
The correct answer is B. <span>0.002010812m3. Good Luck! :)</span>
Answer:
b.
Explanation:
In case of Single Slit, diffraction will occur.
Then In Single slit Diffraction, width of central fringe is

where D= distance b/w screen and slit
a= slit width
\lambda = wavelength
Thus if Screen width increases keeping other factors same then width of central fringe becomes narrower as

On increasing the slit width the central bright fringe width The width of the central bright fringe becomes narrower.
Answer:
Answer was deleted first time, the answer is 917 N
Explanation:
Hope this helps!