Dual Nature of Matter and Radiation: JEE Main 2016 Physics question

JEE Main 2016 · Session, Shift 1 · Q6622

JEE Main 2016Session, Shift 1PhysicsEasyDual Nature of Matter and Radiation146× since 2002

Radiation of wavelength

\lambda ,

is incident on a photocell. The fastest emitted electron has speed

v.

If the wavelength is changed to

{{3\lambda } \over 4},

the speed of the fastest emitted electron will be:

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JEE Main 2016 Dual Nature of Matter and Radiation Question with Solution (Session Shift 1, Q6622) | JEE Arc