+91-87964 74404
FlagBACK
Question icon
Grade 12th passWave Optics

A parallel beam of monochromatic light of wavelength 5000angestrom
Is iincident normally on narrow slit of wavelength 0.001mm the first minimum will formed for angle of diffraction equal to

Profile image of Neha
7 Years agoGrade 12th pass
Answers icon

1 Answer

Profile image of Arun
7 Years ago
Dear student
 
for first minima
 
a sin theta = n * lambda 
 
sin theta = lamda/a = 0.5
 
hence theta = 30 degree
 
hope it helps
 
Regards
Arun (askIITians forum expert)
 

Other Related Questions on wave optics

question mark

what is meant by refractive index?

wave optics
1 Answer Available

Last Activity: 9 Months ago

question mark
An oscillator consists of a block of mass 512 g connected to a spring. When set into oscillation with amplitude 34.7 cm, it is observed to repeat its motion every 0.484 s. Find (a) the period, (b) the frequency, (c) the angular frequency, (d) the force constant, (e) the maximum speed, and ( f ) the maximum force exerted on the block.
wave optics
1 Answer Available

Last Activity: 4 Years ago

question mark
A PLANE TRANSMISSION GRATING HAS 45000 LINES. DETERMINE ITS RESOLVING POWER IN THE SECOND ORDER FOR WAVELENGTH OF 5000A.
 
wave optics
1 Answer Available

Last Activity: 4 Years ago

question mark
A PLANE TRANSMISSION GRATING HAS 45000 LINES. DETERMINE ITS RESOLVING POWER IN THE SECOND ORDER FOR WAVELENGTH OF 5000A.
wave optics
1 Answer Available

Last Activity: 4 Years ago

question mark
If V-numer of a multi mode fiber is 3. Calculate the no.of modes if it is step index and graded index fiber multimode fiber (rounded off)?
wave optics
1 Answer Available

Last Activity: 4 Years ago