The sun is a source of IR rays.
Of the following radiation with (i)Maximum wavelength out of UV, Radiowaves, x-rays, IR (ii) Lowest frequency out of IR,wavelength out of UV, Radiowaves, x-rays, IR (ii) Lowest frequency out of IR, ϒ-rays, cosmic rays and microwaves
A.The wavelength of microwaves is greater than that of UV−rays.
B.The wavelength of IR rays is lesser than that of UV−rays.
C.The wavelength of microwaves is lesser than that of IR rays.
D. Gamma rays have the shortest wavelength in the electromagnetic spectrum.
Of the above statements
Is Sun a broad source or a point source?