Flag Mechanics> Monochromatic green light, wavelength=554...
question mark

Monochromatic green light, wavelength=554nm, illustrates two parallel,narrow slits 7.7micrometer apart. Calculate the angular position of the third-order (m=3) bright fringe (a) in radians and (b) in degrees

Salman khan , 6 Years ago
Grade 12th pass
anser 1 Answers
Arun

Last Activity: 6 Years ago

Dear Salman
 
d = 7.7 x 10 -6 m, m=3,   λ= 554 nm = 554 x10-9 m
θ = ?  in radians and  in degrees.
Use:  for the bright fringe:  d sinθ = mλ   (put m=3):
Answers:
(a) θ = 0.216 radians
(b) θ = 12.5 degrees
 
Regards
Arun (askIITians forum expert)

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...