Question

(ix) When the cold air is heated, it
0000
(a) expands
(b) contracts
(c) neither expands nor contracts
(d) none of these
(x) The density of a substance in SI system, is 19600 kgm. Its density, in CGS
system is :
(a) 1960 gm
(b) 19.6 gcm
(c) 196 gcm
(d) 1.96 gcm​

Answer 1

Answer:

ix .When the cold air is heated, it

a. expands

x.Its density, in CGS

b.19.6