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To get three images of a single object, ...

To get three images of a single object, One should have two plane mirror at an angle of

A

`60^(@)`

B

`90^(@)`

C

`120^(@)`

D

`30^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
(b) Number of images,n=`360^(@)/theta-1`
`3=360^(@)/theta-1`
`rArr` `theta=90^(@)`
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DC PANDEY ENGLISH-RAY OPTICS-Exercise
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  11. Magnification produced by astronominal telescope for normal adjustment...

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  16. The focal length of the lensese of an astronomical telescope are 50 cm...

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