The luminosity of the white dwarf supernova 175 days after it reaches peak brightness is about ________ of its luminosity at peak brightness.
A) 30%
B) 10%
C) 3%
D) 1%
D) 1%
You might also like to view...
(a) What is the wavelength of the peak of the blackbody radiation curve for something at 3,000 kelvins (the temperature of the filament of a light bulb)? (b) What type of EM wave is this?
Viscosity definition
What will be an ideal response?
Which statements are true about a VIRTUAL image? (There may be more than one correct choice.)
A) Its location can be calculated, but it cannot be viewed directly by your eye without using auxiliary lenses. B) It cannot be photographed. C) It cannot be viewed on a screen. D) A plane mirror always forms a virtual image. E) A concave lens always forms a virtual image.
In a Young's experiment, the paths from the slits to a point on the screen differ in length, causing constructive interference at the point. Which of the following path differences would cause this constructive interference?
a. 5l/2 c. 3l/4 b. 3l d. None of these choices.