Conceptual Physical Science Explorations
Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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We may see thousands of stars in the dark sky. Our universe consists of billions of stars. Stars may appear tiny to us but they are huge balls of gasses. Sun is a star of average size. Some stars are even a thousand times larger than the sun. The stars d…
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It is an astronomical phenomenon. In this phenomenon, increase in wavelength with corresponding decrease in photon energy and frequency of radiation of light. It is the displacement of spectrum of any kind of astronomical object to the longer wavelengths…
Question
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Chapter 33, Problem 5RQ
To determine

The hotter star among, red star and blue star.

Expert Solution & Answer
Check Mark

Answer to Problem 5RQ

Blue star is hotter than red star.

Explanation of Solution

All objects with temperature absolute zero emit energy in the form of electromagnetic radiation. Stars have different colors because they emit frequencies of different electromagnetic waves in the visible range.

The frequency is directly related to the temperature. Therefore, hotter the star is, more is the frequency. And smaller will be the wavelength because the wavelength is inversely related to the frequency.

The wavelength of the blue color is lesser than that of yellow color and red color. Therefore, the blue star is the hotter star than the red star.

Conclusion:

Therefore, blue star is hotter than red star.

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Chapter 33, Problem 4RQ
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Chapter 33, Problem 6RQ

Chapter 33 Solutions

Conceptual Physical Science Explorations

Ch. 33 - What are constellations?Ch. 33 - Why does an observer at a given location see one...Ch. 33 - Prob. 3RQCh. 33 - Is the light-year a measurement of time or...Ch. 33 - Prob. 5RQCh. 33 - Prob. 6RQCh. 33 - What is a H-R diagram?Ch. 33 - Prob. 8RQCh. 33 - Prob. 9RQCh. 33 - Prob. 10RQ
Ch. 33 - Prob. 11RQCh. 33 - What causes a star to contract inwards?Ch. 33 - Prob. 13RQCh. 33 - Prob. 14RQCh. 33 - Prob. 15RQCh. 33 - Prob. 16RQCh. 33 - Prob. 17RQCh. 33 - Why do we not think the Sun will eventually became...Ch. 33 - How does the mass of a star before its collapse...Ch. 33 - If black holes are invisible, what is the evidence...Ch. 33 - Prob. 1TCCh. 33 - Prob. 2TCCh. 33 - Prob. 3TCCh. 33 - Prob. 4TCCh. 33 - Prob. 5TCCh. 33 - Prob. 1TECh. 33 - On the Moon, stars other than the Sun can be seen...Ch. 33 - We see the constellations as distinct groups of...Ch. 33 - Prob. 4TECh. 33 - If you were to travel to the north pole, where in...Ch. 33 - What is relationship between white drawf and nova?Ch. 33 - What event marks the birth of a star?Ch. 33 - Prob. 8TECh. 33 - Prob. 9TECh. 33 - Prob. 10TECh. 33 - Prob. 11TECh. 33 - Prob. 12TECh. 33 - Prob. 13TECh. 33 - Prob. 14TECh. 33 - Prob. 15TECh. 33 - Prob. 16TECh. 33 - Prob. 17TECh. 33 - Prob. 18TECh. 33 - Prob. 19TECh. 33 - Prob. 20TECh. 33 - Summer and winter constellations are different...Ch. 33 - Prob. 2RATCh. 33 - The star nearest Earth is (a) Alpha Centauri. (b)...Ch. 33 - Prob. 4RATCh. 33 - Prob. 5RATCh. 33 - Prob. 6RATCh. 33 - Prob. 7RATCh. 33 - Prob. 8RATCh. 33 - Prob. 9RATCh. 33 - A black hole is (a) an empty region of space with...

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