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Chapter 16: Problem 2215

The no. of images formed between two parallel plane mirror are (A) \(\infty\) (B) 0 (C) 180 (D) 360

Short Answer

Expert verified
The number of images formed between two parallel plane mirrors is infinite, as the object and its reflections will continue to reflect between the mirrors indefinitely. Therefore, the correct answer is (A) \(\infty\).

Step by step solution

01

Understanding light reflection between parallel plane mirrors

When light reflects between two parallel plane mirrors, it will bounce back and forth between them indefinitely, forming an infinite number of images. Each image is formed by the light rays that have been reflected an even number of times.
02

Visualizing the situation

Imagine placing an object in between the two parallel mirrors. The object will be reflected in both mirrors, creating one image in each mirror. Then, these images will also be reflected in the other mirror, creating two more images. As the reflections continue, an infinite number of images are formed.
03

Counting the images

As we now know that the reflections continue indefinitely, we can conclude that there are infinite images formed between the two parallel plane mirrors.
04

Identifying the correct answer

Based on our analysis, we can now see that the correct answer is: (A) \(\infty\). The number of images formed between two parallel plane mirrors is infinite.

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Most popular questions from this chapter

Two beams of Light of intensity \(\mathrm{I}_{1}\) and \(\mathrm{I}_{2}\) interfere to give an interference pattern. If the ratio of maximum intensity to that of minimum intensity is \((16 / 4)\) then $\left(\mathrm{I}_{1} / \mathrm{I}_{2}\right)=$ (A) \(1: 9\) (B) \(1: 4\) (C) \(4: 1\) (D) \(9: 1\)

In young's double slit experiment if the width of \(3^{\text {rd }}\) fringe is \(10^{-2} \mathrm{~cm}\), then the width of \(5^{\text {th }}\) fringe will be \(\mathrm{cm} .\) (A) \(10^{-2}\) (B) \(5 \times 10^{-2}\) (C) \(2 \times 10^{-2}\) (D) \(10^{+2}\)

A concave mirror has a focal length \(30 \mathrm{~cm}\). The distance between the two position of the object for which image size is double of the object is (A) \(30 \mathrm{~cm}\) (B) \(15 \mathrm{~cm} \quad \overline{\text { (C) }-25 \mathrm{~cm}}\) (D) \(-15 \mathrm{~cm}\)

In young's double slit experiment the phase difference is constant between two sources is \((\pi / 2)\). The intensity at a point equidistant from the slits in terms of max. intensity \(\mathrm{I}_{0}\) is (A) \(3 \mathrm{I}_{0}\) (B) \(\left(\mathrm{I}_{0} / 2\right)\) (C) I_{0 } (D) \(\left(3 \mathrm{I}_{0} / 4\right)\)

A ray of light is incident normally on one of the faces of a solid prism of apex angle \(30^{\circ}\) and refractive index \(\sqrt{2}\). The angle of minimum deviation is (A) \(39^{\circ}\) (B) \(42^{\circ}\)
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