According to Wein's Law, if the surface temperature is increased by a factor of 2, its peak wavelength will:
A) increase by a factor of 2.
B) decrease by a factor of 2.
C) increase by a factor of 4.
D) decrease by a factor of 4.
E) not change; Wein's law has nothing to do with peak wavelength.
B
You might also like to view...
How many centimeters are there in one kilometer?
a. 100 b. 1,000 c. 10,000 d. 100,000 e. 1×10^6
Which term in the simplified Drake equations depends on sociological factors?
A) NHP B) flife C) fciv D) fnow
In a double-slit experiment, the distance between the slits is 0.2 mm, and the distance to the screen is 150 cm. What wavelength (in nm) is needed to have the intensity at a point 1 mm from the central maximum on the screen be 80% of the maximum intensity?
a. 900 b. 700 c. 500 d. 300 e. 600
This figure shows Hubble's law. If a galaxy is observed to be moving away from us at 30,000 (3 104) km/s, approximately how far away is it? (Hint: Be sure to read the axis labels carefully.)
A) 30,000 light-years B) 1400 million light-years C) 3000 million light-years D) 1400 light-years