Four independent readings were taken to check the relation between peak wavelength of emission and temperature for a blackbody.
Reading λmax (μm) T (K)
P 4.90 600
Q 3.20 900
R 2.40 1200
S 1.20 1500
Which reading is most likely to contain an experimental error?
a) Q
b) S
c) None of these, all four readings obey Wien’s law
d) P