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Did you know?
A single strand of DNA, if uncoiled, would be ~6 feet long — yet it fits inside a cell nucleus.
Did you know?
A single strand of DNA, if uncoiled, would be ~6 feet long — yet it fits inside a cell nucleus.
A beam of light from a source L is incident normally on a plane mirror fixed at a certain distance from the source. The beam is reflected back as a spot on a scale placed just above the source L. When the mirror is rotated through a small angle the spot of the light is found to move through a distance on the scale. The angle is given by
To solve this problem, we need to understand the behavior of light when a mirror is rotated.When a plane mirror is rotated by a small angle the reflected light beam rotates by an angle Given:• The mirror is at a distance from the source L.
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