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Question 3 please

Lesson 16: Atomic Physics-202040.42065 PHY... Mathway | Algebra Problem Solver Tried 8100 As The Answer And It Make Homework 10 - Phys 245, section CO1, Summer... Additional Materials Reading Submit Answer 3. [-/3 Points] DETAILS OSCOLPHYS2016 27.4.P.021. MY NOTES A diffraction grating has 1,950 lines per centimeter. At what angle in degrees will the first-order maximum be for 505 nm wavelength green light? Additional Materials Reading DETAILS 4. (-/2 points) MY NOTES OSCOLPHYS2016 27.4.P.038. A manganese vapor laser beam is reflected from the surface of a CD onto a wall. The brightest spot is the reflected beam at an angle equal to the angle observed. If the wall is 1.4 m from the CD, and the second bright fringe is 1.241 m from the central maximum, what is the spacing (in m) of grooves o a wavelength of 534 nm. Also assume that the main reflected beam incident on the wall is exactly perpendicular to the wall.) m Additional Materials Reading

Answer 1

liven, N=1" To lines lcm. d= -0.00oou 1282 m. 19TO Given, >=505nm. lie have a sinon=nd. I wore n=1 ( first order). - 505x10x1950 sino = el 505x10y sino = 10-2 lo -2 1410 sino =0.098475 I= 5.65°.