The wavelength of light (in nm) required for tantalum ( =6.81× 10-19 J) to emit an electron: nm Could tantalum be used to generate electricity from the sun? Choose one: O Yes, the threshold wavelength is larger than the wavelength of the sun so electricity is generated. O No, the threshold wavelength is larger than the wavelength of the sun so electricity will not be generated. O No, the threshold wavelength is lower than the wavelength of the sun so electricity will not be generated. O Yes, the threshold wavelength is lower than the wavelength of the sun so electricity will be generated.

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Photovoltaic cells convert solar energy into electricity. Calculate the wavelength of light (in nm) required for tantalum ( =6.81× 10-19 J) to emit an
electron. Then determine whether or not tantalum could be used to generate electricity from the sun. Assume that most of the electromagnetic
energy from the sun is in the visible region near 500 nm.
Transcribed Image Text:Photovoltaic cells convert solar energy into electricity. Calculate the wavelength of light (in nm) required for tantalum ( =6.81× 10-19 J) to emit an electron. Then determine whether or not tantalum could be used to generate electricity from the sun. Assume that most of the electromagnetic energy from the sun is in the visible region near 500 nm.
The wavelength of light (in nm) required for tantalum ( =6.81 × 10-19 J) to emit an electron:
nm
Could tantalum be used to generate electricity from the sun?
Choose one:
O Yes, the threshold wavelength is larger than the wavelength of the sun so electricity is generated.
O No, the threshold wavelength is larger than the wavelength of the sun so electricity will not be generated.
No, the threshold wavelength is lower than the wavelength of the sun so electricity will not be generated.
O Yes, the threshold wavelength is lower than the wavelength of the sun so electricity will be generated.
Transcribed Image Text:The wavelength of light (in nm) required for tantalum ( =6.81 × 10-19 J) to emit an electron: nm Could tantalum be used to generate electricity from the sun? Choose one: O Yes, the threshold wavelength is larger than the wavelength of the sun so electricity is generated. O No, the threshold wavelength is larger than the wavelength of the sun so electricity will not be generated. No, the threshold wavelength is lower than the wavelength of the sun so electricity will not be generated. O Yes, the threshold wavelength is lower than the wavelength of the sun so electricity will be generated.
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