A laser emits a narrow beam of light the radius of the beam
A laser emits a narrow beam of light. The radius of the beam is 3.5 mm, and the power is 2.5 mW. What is the intensity of the laser beam?
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two identical waves of equal frequency and amplitude arrive in phase at a certain point a the resultant wave at point a
when you push a 177 kg book resting on a tabletop it takes 229 n to start the book sliding once it is sliding but it
a 039t magnetic field is perpendicular to a circular loop of wire with 55 turns and a radius of 13cmpart aif the
a ray in air is incident on a glass plate whose index of refraction is 168 determine the angle of refraction is
a laser emits a narrow beam of light the radius of the beam is 35 mm and the power is 25 mw what is the intensity of
5oog of a sample which contains copper is analyzed iodometrically copperii is reduced to copperi by the iodide what is
the biochemistry that takes place inside cells depends on various elements such as sodium calcium and potassium that
a battery having an emf of 900 v delivers 105 ma when connected to a 640 omegacapgif load decide the internal
the index of refraction of the core of a piece of fibber optic cable is 172 if the index of the surrounding cladding is
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