Two parallel, vertical, plane mirrors, 18.3 cm apart, face each other. A light s

Question

Two parallel, vertical, plane mirrors, 18.3 cm apart, face each other. A light source at point P is 14.1 cm from the mirror on the left and 4.2 cm from the mirror on the right.
(a) How many images of point P are formed by the mirrors?
[] 2
[] 8
[] 20
[] infinite number of images

(b) Find the distance from the mirror on the right to the two nearest images behind the mirror.
first nearest image:
second nearest image:

(c) Find the number of reflections of light rays for each of these images.
first nearest image:
second nearest image:

Explanation / Answer

A) Due to continued reflections

Infinite number of Images

B) Image on left mirror would be relected on right

First reflection : 4.2 cm

Second = 14.1 + 14.1 + 4.2

Distance of second reflection = 32.4cm

C) First nearest Image = One

Second nearest : two

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.