A flat minor is neither converging nor diverging. To prove this, consider two rays originating from the same point and diverging at an angle θ. Show that after striking a plane mirror, the angle between their directions remains θ. Figure 25.52 A flat mirror neither converges nor diverges light rays. Two rays continue to diverge at the same angle after reflection.
A flat minor is neither converging nor diverging. To prove this, consider two rays originating from the same point and diverging at an angle θ. Show that after striking a plane mirror, the angle between their directions remains θ. Figure 25.52 A flat mirror neither converges nor diverges light rays. Two rays continue to diverge at the same angle after reflection.
A flat minor is neither converging nor diverging. To prove this, consider two rays originating from the same point and diverging at an angle θ. Show that after striking a plane mirror, the angle between their directions remains θ.
Figure 25.52 A flat mirror neither converges nor diverges light rays. Two rays continue to diverge at the same angle after reflection.
The diagram illustrates a light ray originating from the floor of a small room, making an angle ϕ= 37° with the floor. The ray reflects from a vertical mirror that is a horizontal distance d= 1.1 m from the source, as shown. If the horizontal distance between opposing vertical walls is w= 4.7 m, how high h on the wall opposing the mirror does the ray strike?
A car is moving along the x-axis, in the positive x-direction, at 28.8 km/h and coming from far to the left. A traffic operator stands at point O facing a large plane mirror 5 m wide, parallel to the axis and 6 m away from it, as shown in the figure. For how long will the operator see the image of the car in the mirror?
0,625 s
2,725 s
2,500 s
1,000 s
1,625 s
2,000 s
1,750 s
A physicist directs a laser beam through a transparent medium, toward one surface of an equilateral prism. (The beam travels, and remains in, the plane of the page.) Incident on Surface 1 at an angle ?1, the beam then encounters Surface 2 from within the prism.
If the angle of incidence at Surface 2 equals ?c , the critical angle for this prism, what is the original incidence angle, ?1 (in degrees)? The critical angle in this case is ?c = 40.5°.
40.5°
40.5°
A prism in the shape of an equilateral triangle is shown. The triangle is upside down such that the base of the triangle is at the top of the figure and the apex is at the bottom. A laser beam comes in from the top left, moves down and to the right and is incident on the center of the base of the triangle. This surface is labeled Surface 1. The incident beam makes an angle of ?1 with the vertical. Within the prism, the beam continues to move down and to the right but at a slope which is steeper than the initial beam. It is incident…
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