The parallax of the star 75 Leo is 0.10 and its apparent visual magnitude is +5.18 . The absolute visual magnitude of 75 Leo is ____________________
Fill in the blank(s) with correct word
+5.18
Physics & Space Science
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When light enters a denser medium and is refracted,
a. the wavelength is unchanged. b. the wave speed increases. c. the frequency is unchanged. d. the wavelength increases.
Physics & Space Science
When you stretch a rubber band, you are applying
A) compressional stress. B) tensional stress. C) shear stress. D) simple stress.
Physics & Space Science
Waves on a String: The density of aluminum is 2700 kg/m3. If transverse waves travel at 38 m/s in an aluminum wire of diameter 4.6 mm, what is the tension on the wire?
A. 65 N B. 39 N C. 52 N D. 78 N
Physics & Space Science
Describe interstellar reddening
What will be an ideal response?
Physics & Space Science