grating diffracts light at 625 nm with 3000 lines/cm Through what angle is the light diffracted in the fifth order?
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A: Solution:-
- A diffraction grating is used to separate the colors in incident light. It works on the principle of diffraction where light bend around small obstacles.
- A diffraction grating diffracts the light into several beams in different directions and the angle of diffraction will depend on the wavelength of the light, spacing between the grating, and the incident angle.
- The condition for maximum intensity is the same as double slit and is given by,
Here d is the space between the gratings, θ is the angular spacing, m is the order of the fringe, and λ is the wavelength of the source.
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- Pls help ASAP on the whole question.Problem 1: You want to test a special watertight monochromatic light source in an un- derwater environment. If the light source shines its beam of electromagnetic radiation into your eyes when you and the light source are above the water, with both your eyes and the light source immersed in air, the beam appears to your eyes to have a deep violet color. The index of refraction of water is about 1.33 What color, if any, would your eyes perceive the beam to have when you and the light source are submerged in water – and why? (A) No color. The beam would become invisible under water because its wavelength in water is shorter than in air, corresponding to a wavelength of ultra-violet light. The beam's wavelength in the water determines its visibility to the eye under water, and ultra-violet light is not visible to the human eye. (B) Same color as in air, above the water, i.e., deep violet. Under water, the beam would have the same wavelength as in air. The beam's wavelength in the water…A beam of initially unpolarized light of intensity 531 W/m^2 passes through two polarizing filters in sequence, emerging from the second filter with an intensity of 175 W/m^2. What is the angle between the axes of the first and second filters? 17.9 degrees 35.7 degrees 55.0 degrees 66.1 degrees
- For light that originates within a liquid and strikes the liquid/air interface, the critical angle is 38°. What is Brewster's angle for this light? Additional Materials M eBook sh (Unit 398 1,373 APR ttv 21 MacBook Air 80 sC F1 F2 F3 F4 F5 F6 F7 ! %23 $4 & * 1 2 4 6. Q W R YUnpolarized light passes through two Polaroid sheets. If the transmission axisbetween the sheets is 30° what fraction of the original unpolarized light is transmitted through the second Polaroid sheet?a) 1/2b) 2/3c) 3/4d) none of these