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It is used to bounce the light beams. There is a seismograph that works on the same principle and thus is immediately responsive to earthquake jolts. There are two beams at an L- shaped angle- yes it could be called perpendicular or Right angles. the light beam goes between them, comes the quake- well the apparatus will shake and record any beam displacement- this applies to the Seismograph, not the other application, but they are similar.

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Q: Why the mirrors are placed perpendicular to each other in Michelson's interferometer?
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How many images are formed from two mirrors perpendicular to each other?

If 2 mirrors are placed perpendicular to each other then infinite no of images will be formed because image formed by one mirror will act as the object for the other and vice verse.


What angle are the mirrors in a periscope set?

at 45 degree it is placed


Can the image formed by a plain mirror be obtained on a screen?

Plane mirrors do not create images that can be placed on a screen, only concave mirrors can.


What is the standard placement of bathroom mirrors?

For aesthetic and practical use, bathroom mirrors should be placed at waist level. The bathroom mirrors should offer a one meter clearance from the ground.


Which mirror show virtual image of object placed in front of it?

Plane Mirror And Other Spherical Mirrors Bulged Outside, Such As Convex Mirrors


Suppose you have two plane mirrors perpendicular to each other Locate and draw the three images of P formed by the combination?

When a point P is placed between two perpendicular mirrors, the first image is formed by one mirror, and the second image is formed by the other mirror. The third image is the reflection of the second image on the first mirror. To locate the images, draw the path of light rays reflecting off each mirror. The images of P will appear symmetrically around the point of intersection of the two mirrors.


How mirrors are placed in a periscope?

There are no mirrors in a periscope - they use prisms. But you could use two at 45 degrees to the object and observer, parallel to one another


How many images are formed when two mirrors are placed at a right angle?

3 Images


When an object is placed between two parallel mirrors the number of images formed will be?

Infinite.


Why infinite images formed if a candle is placed between two parallel mirrors?

Because - if the mirrors are exactly parallel - they will reflect each others image indefinitely.


Two plane mirrors are inclined at an angle of 300 to each other Find the number of images formed when an object is placed between the mirrors?

1/5


How many images will be formed if two mirrors placed at 60 degree angle?

Three images will be formed when two mirrors are placed at a 60 degree angle. The multiple reflection of light rays creates these images due to the angle of reflection.