When light of wavelength `300 nm` (nanometre) falls on a photoelectric emitter , however light of `600 nm` wavelength is suffici

When light of wavelength `300 nm` (nanometre) falls on a photoelectric emitter , however light of `600 nm` wavelength is sufficient for creating photoemission . What is the ratio of the work functions of the two emitters ?
A. `1:2`
B. `2:1`
C. `4:1`
D. `1:4`

When light of wavelength `300 nm` (nanometre) falls on a photoelectric emitter , however light of `600 nm` wavelength is sufficient for creating photo

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