Jane placed two bar magnets on her desk next to each other with like poles facing. She then sprinkled some iron filings around t
he magnets. Which of the following images best shows how the iron filings arranged themselves?
2 answers:
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Answer:
d = 0.247 mm
Explanation:
given,
λ = 633 nm
distance from the hole to the screen = L = 4 m
width of the central maximum = 2.5 cm
2 y = 0.025 m
y = 0.0125 m
For circular aperture
using small angle approximation
now,
d =0.247 x 10⁻³ m
d = 0.247 mm
the diameter of the hole is equal to 0.247 mm