Question

If VB, VG, VR be the velocity of blue, green
and red light respectively in a glass prism,
then which of the following statement gives
the correct relation?
a) VB = VG = V R b) VB > VG >VR
c) VB < VG < VR d) VB < VG > VR

Answer 1

Answer:

chemical compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound.