Multiple Choice
In the vicinity of what frequency does an object with a temperature of 1000 K radiate the largest amount of power? (c = 3.00 × 108 m/s, Wien displacement law constant equals 2.90 × 10-3 m ∙ K, σ = 5.670 × 10-8 W/m2 ∙ K4)
A) 1.0 × 1014 Hz
B) 8.0 × 1014 Hz
C) 2.3 × 1014 Hz
D) 6.7 × 1014 Hz
E) 4.1 × 1014 Hz
Correct Answer:

Verified
Correct Answer:
Verified
Q11: A laser produces a beam of 4000-nm
Q14: The lifetime of an excited nuclear state
Q23: A certain particle's energy is measured by
Q30: What is the orbital radius of the
Q32: You need 14 W of infrared laser
Q33: Light of wavelength 105 nm falls on
Q34: A single slit is illuminated at normal
Q37: An ultraviolet source produces a monochromatic beam
Q38: A nonrelativistic electron has a kinetic energy
Q40: A hydrogen atom is excited to the