a-laser-beam-is-reflected-by-a-plane-mirror-it-is-observed-that-the-angle-between-the-incident-and-r

Question

A laser beam is reflected by a plane mirror. It is observed that the angle between the incident and reflected beams is $28^{\circ} .$ If the mirror
is now rotated so that the angle of incidence increases by $5.0^{\circ},$ what
is the new angle between the incident and reflected beams?

Nick Auwerda · Accepted Answer

question once is a laser beam is reflected by a plane neared. Its observed that the angle between the incident and reflected beams is 28 degrees, and then it&#x27;s going to change. So here&#x27;s my mirror. And remember, we actually measure angles of incidence, an angle of reflection relative to a normal. And so a normal is a line perpendicular to the service. And I&#x27;m gonna go ahead and have my incident right comes in hits at the normal, and then it is reflected out. And it told us that, uh, the angle between the incident and reflected race is 28 degrees, so this angle is 28 degrees. Which means, of course, since the angle of incidence is equal to the angle of reflection, this angle is 14 degrees. So then it says that the mirror&#x27;s now rotated so that the angle of incidence increases by five degrees. So in our new scenario now, instead of a 14 degree angle of incidence, we have a 19 degree angle of incidence, so this comes in a little bit different angle 19 degrees. Of course, that means it&#x27;s reflected out at 19 degrees relative to the normal, and that gets us Ah, whole angle of 38 degrees. Which is the answer to the question, which said, What is the new angle between the incident and reflective beams?

Mayukh Banik · Answer

initially the angle of incidents waas 28 degree, then the fighters Gangloff incidents becomes 36 degree more, 34 degree more because the angle of incidence is increased by 34 degree, so the final angle of incidence is 28 degree. Thus 34 degree equals 62 daily, so the new angle of reflection is 62 baby.

Henrique Saito · Answer

All right, we have this laser that is gonna be striking the mirror with 38 degrees angle to the normal. Except now we&#x27;re gonna move the laser a little bit so that the angle, uh, increases by 13 degrees. Right? So it&#x27;s gonna be something like, let&#x27;s say, this morning line. I like that right. And we know that the angle&#x27;s gonna increase by 13 degrees. And so the question is, what is the angle of reflections that&#x27;s gonna dangle from the normal, the new reflected re. And how do we do that? Well, first, let&#x27;s find out the new angle of incidence. We&#x27;ll call that like, data I to and that&#x27;s gonna be equal to. I lost 13 degrees, so that&#x27;s gonna be 38 degrees, both 13 degrees, giving us a new ah angle 51 degrees. Our new incident angles 51 degrees right, orange lee of the orange laser. And now we know that the incident raised was good because it reflected Ray. And so the reflective rate is gonna be able to 51 degrees and that&#x27;s it

Shoukat Ali · Answer

in this problem, We&#x27;re going to calculate the angle between my incident Where that uh What&#x27;s going rate? That is a twitter. So from the figure weakened white Peter plus Phi is equals toe wanted to degree So this can be sold for feta as if he dies equals two. When did you get E minus five? And we call it equating about one. Now we look at some off the interior angles for driving is 1 80 degrees. To apply this to the trying to weaken white too far plus two times off beat up Plus Fiza goes to wanted to degree So from here we can write the square for fires Bicycles to what did you do? G minus two times off so far plus beater We could equate in about two applying the central to the room Any point Weaken white He plus gamma plus 50 degrees equals two 1 80 dignity Now we call it equating about three We can white for this Yes musicals toe 90 degree minus vita And for them awaken white Your musicals too 90 duty Mind is hell for now we&#x27;re sitting these two values into equation about three weaken right 90 duty minus Be a phone for Are so here we have Peter. Plus, I wanted to do beauty minus, uh So far, must 50 degrees equals to 1 80 So from your recon white formula for all four plus vita as a I&#x27;ll focus Vita is equals to 50 degree while sitting this well, you into equation about to weaken white bicycles to 1 80 degree, minus two in tow, 50 degrees. So this will you have the value for the fires? Bicycles to, uh, and your dignity? Well, now we can sit this way living to equity number one to get the very for Peter and ties. It goes to 1 80 dignity minus, uh, fight, which had developed for Eddie dignity. So this would be where the value for the tires two days equals two, 100 degrees. So this is around. Thank you.

Mayukh Banik · Answer

according Do the laws. Off reflection, angle off reflection equals angle off incidents are in sharp, and the fifth section is generally rated by our on angle of incident district by I. In this particle, their case, the angle of incidence is given by 53 degree so angle of reflection has to be 53 degree as well. So if we have a mirror like that, and he reason was surfaced normal, the incoming ray mix and anger I equals 53 degree. So the reflected Ray will also make 53 degree. With respect to normal, that is the answer. For part, a angered off reflection equals 53 degree for Part B. We will have the angles between the incident rate. Onda reflected Ray Incident Ray on the reflected Ray. He&#x27;s this angle, so that comes out to be angle of incidents. Thus anger if reflection. Both off them are 53 degree, so that comes out to be 106 degrees

Mayukh Banik · Answer

for a meter in order to property dart draw The incident reflected Ray. We should draw the surface normal to start with that&#x27;s call or to be the born at which the ray is being incident. It is given that the instant Ray Maxim angle to re six degree with respect to the mirror. So here is the incident, Ray. Let&#x27;s call it Incident rate equals I. This angle is given to be data equals 36 degrees. The angle of incidence is the angle that the incident re max sweet the surface normal. So I the last Aita Equus 90 degree Hence, we will have I equals 90 degree minus Tetteh. It was 90 degree minus 36 degree. It was 54 degree. So angle of incidence equals 54 degree according to the laws off resection angle of reflection are equals angle differences I equals 54 degrees. So the angles we do in the incident and, uh reflected Ray, he&#x27;s angle i o r it was angle i o n Thus angle and O. R. It was I just are It was 54 degree, just 54 degree equals 108 degree. So angle between the incident and the reflected ray is 108 degrees

Problem

The angle between the Sun and a rescue aircraft i…

Problem 1 Easy Difficulty

A laser beam is reflected by a plane mirror. It is observed that the angle between the incident and reflected beams is $28^{\circ} .$ If the mirror
is now rotated so that the angle of incidence increases by $5.0^{\circ},$ what
is the new angle between the incident and reflected beams?

Answer

$38^{\circ}$

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