Physics, asked by siddharth811, 10 months ago

At a particular time of a day, the ratio of height of an object and the length of its shadow isx. Using this, calculate the height of the tree if the length of its its shadow is L

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Answered by aleembhatti1000
1

Answer:

The laser linewidth in a typical single-transverse-mode He-Ne laser (at a wavelength of 632.8 nm), in the absence of intracavity line narrowing optics, can be on the order of 1 GHz.

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