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Question

(B) When two plane mirrors are placed at an angle $	heta$,the total deviation $\delta$ produced by two successive reflections is given by $\delta = 3

Vedclass · Accepted Answer

parallel to the original ray

Vedclass · Answer

(B) When two plane mirrors are placed at an angle $	heta$,the total deviation $\delta$ produced by two successive reflections is given by $\delta = 360^{\circ} - 2	heta$.Given that the mirrors are perpendicular,$	heta = 90^{\circ}$.Substituting the value of $	heta$ in the formula:$\delta = 360^{\circ} - 2(90^{\circ}) = 360^{\circ} - 180^{\circ} = 180^{\circ}$.$A$ deviation of $180^{\circ}$ means the final ray is directed exactly opposite to the incident ray,which implies the emergent ray is parallel to the incident ray.

Two plane mirrors are perpendicular to each other. $A$ ray after suffering reflection from the two mirrors will be

Similar Questions

It is desired to photograph the image of an object placed at a distance of $3\;m$ from a plane mirror. The camera,which is at a distance of $4.5\;m$ from the mirror,should be focused for a distance of......$m$.

$A$ small object of size $10\, cm$ is placed in front of a plane mirror. $A$ person stands $30\, cm$ behind the object and views the image of the object. At what distance (in $cm$) from the person's eyes must the image be focused?

Assertion : The image of a virtual object due to a plane mirror is real.
Reason : If the rays seem to be converging at a point behind a plane mirror,they are reflected and they actually meet in front of the mirror.

Two plane mirrors are placed parallel to each other at a distance $L$ apart. $A$ point object $O$ is placed between them at a distance $L/3$ from one mirror. Both mirrors form multiple images. The distance between any two images cannot be:

At what angle (in degrees) should two plane mirrors be inclined to obtain $3$ images?

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