Monochromatic Light Shines on a Surface with Work Function 1

question 6

Multiple Choice

Monochromatic light shines on a surface with work function 1.80 eV. The maximum energy of the emitted photoelectrons is 0.620 eV. What is the wavelength of the monochromatic light?

• A) 200 nm
• B) 290 nm
• C) 689 nm
• D) 602 nm
• E) 512 nm

Grasp the formation and function of endosperm.

Understand the attraction mechanisms of flowers for pollinators.

Describe the development process from megaspore to the female gametophyte.

Comprehend the life cycle of flowering plants including alternation of generations.

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Definitions:

Autonomous Consumption

the level of consumption that occurs when income is zero, representing the expenditures necessary to meet basic needs.

Disposable Income

Available cash for households to utilize in saving and spending after income taxes have been processed.

Savings

Money that is set aside from income for future use, often stored in a bank or invested to generate returns.

Disposable Income

Households' spendable and savable funds following income tax deductions.