Q- How many images are formed for a point nbsp-source kept in between two plane mirrors nbsp-M1 -160-and -160-M2 at right angles to each other- Explain the answer- nbsp-

Dear Student , the #160;formula #160;is #160;: #160;n #160;= #160;360 #952; 1 #160; #160;In #160;the #160;give #160;formula #160;the ...

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Standard VIII

Physics

Image Formation by a Plane Mirror

Q. How many i...

Question

Q. How many images are formed for a point source kept in between two plane mirrors $M_{1} a n d M_{2}$ at right angles to each other? Explain the answer.

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Solution

Dear Student ,
$t h e f o r m u l a i s : n = \frac{360}{θ} - 1 I n t h e g i v e f o r m u l a t h e t e r m s a r e : 1 . n = n u m b e r o f t h e i m a g e s f o r m e d 2 . θ = t h e a n g l e g i v e n : m i r r o r s a r e a t 90 d e g r e e a n g l e s t h e r e f o r e n = \frac{360}{θ} - 1 \Rightarrow n = \frac{360 °}{90 °} - 1 \Rightarrow n = 4 - 1 \Rightarrow n = 3 ∴ t h e n u m b e r o f i m a g e s f o r m e d a r e 3 .$
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Q. How many images are formed for a point source kept in between two plane mirrors M1 and M2 at right angles to each other? Explain the answer.

Dear Student , the formula is : n = 360θ-1 In the give formula the terms are : 1. n = number of the images formed 2. θ = the angle given : mirrors are at 90 degree angles therefore n =360θ-1 ⇒n =360°90°-1⇒ n = 4-1 ⇒n = 3 ∴ the number of images formed are 3. Regards

Q. How many images are formed for a point source kept in between two plane mirrors $M_{1} a n d M_{2}$ at right angles to each other? Explain the answer.