Question

#4 A+B please!! Don't know where to start!

c 3 × 10-1117s wave equation for light: c itsert .9. Light of waveleng ath and frequency Speed of light in a medium with index of refraction n: Cn -10. Light of freque is 2.00. Find the wav 11. Two beams h glass. One of the at an angle of 32 n, sin θι.m, sin θ2 Critical angle: sin c Snell's law: PI PROBLEMS 212 1. cies in the FM band)? What is the wavelength of a radio wave of frequency 101.1 MHz (one of t through the glas 12. Wilming speed commu nication to a s cable betwee it take each s 2. An electromagnetic wave has a frequency of2 x 101S Hz. What is its w is its category in the electromagnetic spectrum? "Z A man wants to hang a mirror on the wall in which he can see from the top of head down to his feet. If the man is 6 feet tall, what is the smallest height of the mirror t will do the job? Explain exactly how high the mirror should be hung. "4. A beam of light travels vertically downward and strikes a horizontal mirror, ret directly back vertically upward, as indicated by the black dashed line in the diagram The mirror is now rotated, so that it is 10° away from horizontal, as is the red mirror in the diagram. The incident solid black ray is the same in both cases flectin at left. a) At what angle from the vertical will the reflected beam (the red dashed arrow) now 10° be seen?

Answer 1

4 (9) 28 lo o sla Telechin ncidou aude is udtile oR om ime e of refleckien, so duge from verhed(09-29 b)