Microwave ovens operate at a wavelength of 12.24 cm and have a typical output of 700 W.

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(a) How many photons are emitted by the oven’s microwave generator per second?

(b) Approximately what is the minimum number of photons needed to heat a cup of coffee or tea (mostly water) from 25°C to 90°C?

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College Physics Reasoning and Relationships

ISBN: 978-0840058195

2nd edition

Authors: Nicholas Giordano

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Question Posted: Jul 19, 2024 02:04 PM

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Microwave ovens operate at a wavelength of 12.24 cm and have a typical output of 700 W.

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The photon energy can be calculated from the wavelength The total ene...View the full answer

College Physics Reasoning and Relationships

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