Dual Nature of Matter and Radiation: JEE Main 2017 Physics question

JEE Main 2017 · 9 Apr, Morning shift · Q6596

JEE Main 20179 Apr, Morning shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

A Laser light of wavelength 660 nm is used to weld Retina detachment. If a Laser pulse of width 60 ms and power 0.5 kW is used the approximate number of photons in the pulse are : [Take Planck's constant h

=

6.62

\times

10^

-

34 Js]

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JEE Main 2017 Dual Nature of Matter and Radiation Question with Solution (9 Apr Morning shift, Q6596) | JEE Arc