Dual Nature of Matter and Radiation-Particle Nature of Light (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 2 of 2

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Question number: 1

» Dual Nature of Matter and Radiation » Particle Nature of Light

MCQ▾

Question

In a photo-emissive cell with exciting wavelength λ, the fastest electron has speed V. If the exciting wavelength is changed to , the speed of the fastest emitted electron will be

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Choice (4) Response

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Question number: 2

» Dual Nature of Matter and Radiation » Particle Nature of Light

Appeared in Year: 2016

MCQ▾

Question

Photons with energy are incident on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectrons is . When photons of energy are incident on C, no photoelectrons will reach the anode A, if the stopping potential of A relative to C is:

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Choice (4) Response

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c.

d.

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