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4. A helicopter is flying at a height of 1.5km. If it has 50MJ of G.P.E., what is the mass of the

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lapo4ka [179]3 years ago

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Its its tony lopez

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Interference fringe refers to bands caused by different lights which can be found in phase or not each other.

Distances between laser fringes are short which is due to light wavelength.
The interference fringes can be estimated by knowing slit separation and wavelength.

In conclusion, if the separation between the openings in a laser is increased, then the distance between the interference fringe decreases

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