Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
When white light is normally occurrence on a diffraction grating the first order maximum for which colour of light occurs at the greatest angle with respect to the straight ahead direction?
Answer:
The length of the path that light should travel to get to a point on the screen from one slit in the diffraction grating must differ by one wavelength from the distance that light must travel to the same point from an adjacent slit in order to get maximal constructive interference. The greater the wavelength tends to the bigger the path difference needed. Additional from plane geometry the bigger the angle the bigger the path difference. Therefore we get first order interference at the biggest angle for the light with the longest wavelength. Red light has the longest observable light wavelength. Therefore red light yields the biggest angle for the first interference maximum.
We are able to as well get at this mathematically using the equation for the angles relative to the straight ahead direction of the interference maxima. The equation reads like
ml = d sinq
For first order interfering m=1 and the equation become
l = d sinq
Note that for a given diffraction harsh with a given slit separation d the greater the wavelength the greater the sinθ. Now intrusion maxima occur at angles between 0 and 90 degrees to either side of the straight-ahead direction. In that variety of angles the bigger the sinθ the bigger the angle θ itself. With red being the observable light having the longest wavelength
λ
,as well as with the longest wavelength interference maximum occurring at the biggest sinθ which in turn corresponds to the biggest θ we have a red light interference maximum occurring at the biggest angle of interference relative to the straight-ahead direction.
What are the safety terms to be inspected on Rotary Junction Box? Ans: Safety terms to be checked on rotary junction box are full tightness of all terminal connections, main
projects advises and help
1). A ring of outer diameter 80 cm is made from square of cross -section steel bar size(8 *8 cm) . If relative permeability 1200 for steel . calculate the current needed to produce
Vector Addition While we become students of physics and approach the job of adding vector quantities, we soon become aware of the fact in which the addition of two vector quant
Is it determined by acceleration or velocity? Force or momentum?
The potential difference across a 4 ohm resistor is 20 volts. Assuming that all of the energy dissipated by this resistor is in the form of heat, how many joules of heat are radia
A bird flies in the east direction with a speed of 5 ms -1 . The wind is blowing towards north at a speed of 3 ms -1 . Determine the relative velocity of the bird with
can a conductor with net charge zero can have electric feild
how to reduce friction?
a rectangular box with edges located at (0,0,0); (a,0,0); (0,b,0) and (0,0,c) is half-filled from z=0 up to z=c/2 with a dielectric with constsnt e. the top half is empty. the cove
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd