Multiple Choice
What is the surface temperature of a distant star (which emits light as if it were a blackbody) where the peak wavelength is 422 nm? (Hint: The surface of the human body at 35ºC has a peak wavelength of 9.41 μm) .(1 nm = 10−9 m = 10-3 μm)
A) 12,900 K
B) 13,800 K
C) 6870 K
D) 13,700 K
E) 2290 K
Correct Answer:
Verified
Correct Answer:
Verified
Q22: Sources of red,blue,and yellow light each emit
Q23: The Heisenberg uncertainty principle places restriction on
Q24: A photon absorbed by an electron will
Q25: Violet light (λ = 430 nm)is incident
Q26: Of photons of red,yellow,light,and blue light,which photons
Q28: That light has a dual nature is
Q29: An electron microscope operates with electrons of
Q30: The Compton experiment demonstrated which of the
Q31: What is the energy of a photon
Q32: The Compton wavelength,h/m<sub>e</sub>c,equals 0.002 43 nm.In Compton