In 10 S, a 60 W Bulb Emits 11 J of of Energy

question 83

Multiple Choice

In 1.0 s, a 60 W bulb emits 11 J of energy in the form of infrared radiation (heat)
Of wavelength 1850 nm.
How many photons of infrared radiation does the lamp generate in 1.0 s?

• A) 1.0 * 10²⁹
• B) 1.0 * 10²⁰
• C) 6.8 * 10 ^-14
• D) 1.1 * 10^-19
• E) 6.6 * 10²³

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Definitions:

Phototropism

The orientation of a plant or other organism in response to light, typically toward the source of light.

Plant Hormone

A chemical substance produced in plants that is transported to various parts of the plant to regulate growth, development, and responses to environmental stimuli.

Receptor Kinase

A type of enzyme receptor on the cell surface that is activated by the binding of a ligand and transfers a phosphate group from ATP to specific substrates, often triggering a signaling pathway.

Plasma Membrane

The semipermeable membrane surrounding the cytoplasm of a cell, responsible for controlling the movement of substances in and out of the cell.