Sun’s surface at 5800 K emits radiation at a wavelength of 0.5 μA. A furnace at 300°C will emit through a small opening, radiation at a wavelength of

Sun’s surface at 5800 K emits radiation at a wavelength of 0.5 μA.

1.	Sun’s surface at 5800 K emits radiation at a wavelength of 0.5 μA. A furnace at 300°C will emit through a small opening, radiation at a wavelength of
A.	5 μA
B.	0.5 μA
C.	2.5 μA
D.	0.25 μA
Answer» B. 0.5 μA