Eamcet Physics - 2 nd Year : Unit 7.1 ( Dual Nature of Matter And Radiation ) - Dual Nature of Matter And Radiation Free Online Tests | Mock Tests | Preparation | Practice Tests

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Eamcet Physics
2 nd Year : Unit 7.1 ( Dual Nature of Matter And Radiation ) - Dual Nature of Matter And Radiation

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The threshold wavelength for photo electric emission from a photo sensitive surface is 5200 Å. Which out of the following can start photo electric emission

A. 10 watt infrared bulb

B. 1 watt infrared bulb

C. 50 watt infrared bulb

D. 50 watt ultraviolet bulb

E. None of the above

View Answer

Correct choice: D

Explanation:

None

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Eamcet Physics 2 nd Year : Unit 7.1 ( Dual Nature of Matter And Radiation ) - Dual Nature of Matter And Radiation

Eamcet Physics
2 nd Year : Unit 7.1 ( Dual Nature of Matter And Radiation ) - Dual Nature of Matter And Radiation