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CE An object is placed to the left of a convex mirror. In which direction will the image move when the object is moved fartherto the left?
1$/ 2 \mathrm{R}$
Physics 103
Chapter 26
Geometrical Optics
Wave Optics
Rutgers, The State University of New Jersey
Simon Fraser University
Hope College
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question 24 says, Ah, an object is placed to the left of a convex mirror in which directionally image move when the object is moved farther left. So I'm gonna draw Ray diagram. We're gonna draw a couple raise off of this one first round, go off the object straight towards the mirror, and it'll reflect from that mirror as though that White Ray had came from the focal point. And so there's my first reflected Ray and then I'm gonna draw this other one straight towards the focal point as though it was going that way, right? And it's actually gonna reflect straight back. Now, I'm gonna erase this dash in line here because it actually isn't the line that we care about. Ah, what we look at is Well, this is where this white Ray appears to come from. So there's the image of that first arrow. Now I'm gonna go ahead and slide that arrow a little bit farther left. Ah, well, move it back here and we'll see what happens. This light Ray still goes straight to the mirror and so it doesn't change. So it's still this dash in line here. However, this one Ah, it's going to go towards the focal point. And so to do that, it's actually going to be at this angle. That's gonna put it a little bit lower, Um, so that this could have gone to the focal point. And so this is going to reflect back and again, it's this dash in line here and you can see that this image gets a little bit smaller, which pushes it a little bit closer to the focal point, so it moves right.
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