Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 1 Basic Concepts of Chemistry - Study Questions: 11

Answer

Mechanical. Electrical and thermal.

Work Step by Step

Mechanical energy is used to move the lever, and the light comes from electrical current passing though a tungsten filament, which also produces resistive heat (thermal energy).
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