# A laser beam 1 mm wide is aimed at a detector 1 mm wide 100 m away on the roof of a building.How much of an angular diversion (in degrees) does the laser have to have before it misses the detector?

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A laser beam 1 mm wide is aimed at a detector 1 mm wide 100 m away on the roof of a building.

How much of an angular diversion (in degrees) does the laser have to have before it misses the detector?

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Step 1

Formula for determining the angular diversion of laser before it misses the detector is given below-

Step 2

For calculation of Angle in radian –

As given in the question ,if the beam is in off state at the end of 1mm,then it misses the detector and the base of triangle is 100m and the height of triangle is 1mm(0.001 m).Then the angle in radian is given below -

Step 3

Substitute  the value of angle in radian in equation(...

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