tem 12 ) 12of 19 Constants Part A Two narrow slits 53 m apart are illuminated wi

Question

tem 12 ) 12of 19 Constants Part A Two narrow slits 53 m apart are illuminated with light of wavelength 510 nm You may want to review (Pages 540 - 543) What is the angle of the m 2 bright fringe in radians? Express your answer using two significant figures. AZd 82 = rad Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the angle of the m 2 bright fringe in degrees? Express your answer using two significant figures. 2= 1.1 Previous Answers Correct Here we learn how to determine the angle of the bright fringe in degrees.

Explanation / Answer

13.

d*sin A = m*lambda

d = spacing b/w slits

sin A = y/D

d*y/D = m*lambda

d = m*D*lambda/y

Using given values:

lambda = 633 nm

m = 11

D = 3.3 m

y = 55 mm = 0.055 m

So,

d = 11*3.3*633*10^-9/0.055

d = 0.418*10^-3 m

d = 0.418 mm

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