B- A surveyor uses a steel measuring tape that is exactly 15.000 m long at a temperature of 30°C. The markings on the tape are calibrated for this temperature. (a) What is the length of the tape when the temperature is 35°C? (b) When it is 45°C, the surveyor uses the tape to measure a distance. The value that she reads off the tape is 40.794 m. What is the actual distance?

University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter6: Photons And Matter Waves
Section: Chapter Questions
Problem 57P: (a) For what temperature is the peak of blackbody radiation spectrum at 400 nm? (b) If the...
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Q.4 A- Define a blackbody, discuses experimental data for the distribution of
energy
in blackbody radiation at three temperatures.
B- A surveyor uses a steel measuring tape that is exactly 15.000 m long at a
temperature of 30°C. The markings on the tape are calibrated for this
temperature. (a) What is the length of the tape when the temperature is
35°C? (b) When it is 45°C, the surveyor uses the tape to measure a distance.
The value that she reads off the tape is 40.794 m. What is the actual
distance?
Transcribed Image Text:docs.google.com a Q.4 A- Define a blackbody, discuses experimental data for the distribution of energy in blackbody radiation at three temperatures. B- A surveyor uses a steel measuring tape that is exactly 15.000 m long at a temperature of 30°C. The markings on the tape are calibrated for this temperature. (a) What is the length of the tape when the temperature is 35°C? (b) When it is 45°C, the surveyor uses the tape to measure a distance. The value that she reads off the tape is 40.794 m. What is the actual distance?
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