Physics Review Question

Unit: Waves
Year: 1997 Question#: 3
Question: The length of a high school physics classroom is probably closest to:

(1 ) 10-2 m
(2 ) 10-1m
(3 ) 101 m
(4 ) 104 m

What is this question really asking?





Explanation by: Mike M

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Answer 1
10-2 m

INCORRECT
It is incorrect because 10-2 m would be .01 meters which is 1 cm, and that is too short for a classroom. return to top























Answer 2
10-1 m

INCORRECT
This is incorrect because 10-1 m would be .1 m, or 10 cm, and that is too short for a classroom. return to top



























Answer 3
101 m

CORRECT
This is the correct answer because 101 m is 10 meters and that is about right for a classroom. return to top


























Answer 4
104 m

INCORRECT

This is incorrect because 104 m is 10,000 meters long and that is 10 km long, and that is way too long for a classroom return to top


























What's this question really asking?

The question is asking if I really know and understand the format of scientific notation and the approximate length of 1m. return to top

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