An object is placed in front of two plane mirrors inclined at an angle of 0^o. If the total number of images formed is 7, Find the value of \(\theta\)

Dave333

4 years ago

So,Now:n=360-1/teetah
n=7,teetah=?
7=360-1/teetah
So,-1 will cross over to 7
That is,7+1=360/teetah
8=360/teetah
Teetah=360/8
=45°🙂

De sage

1 year ago

my school is very very correct.
n=360/@-1
n=7
@=?

factorize out
7=360-n/n
7×n=360-n
7n=360-n
CLT
7n+n=360
8n=360
n=360÷8
n=45

De sage

1 year ago

sorry those places I used n , ought to be @(teeth)
because 7 has taken the place of n

Bankz250

5 years ago

Mysch the answer is C
360/7=51°

Gabbet2021

3 years ago

The answer should be C
n=360/teetha -1 (for integer number)
n=360/teetha (for non integer)

Teetha=360/7 =51.4

C is the answer