Which of the following cannot conduct heat easily?
a) wood
b) plastic
c) wool and fur
d) all of these
Which of the following is/are poor conductor/s?
a) wood
b) plastic
c) wool and fur
d) all of these
Which of the following is/are insulator/s?
a) wood
b) plastic
c) wool and fur
d) all of these
Why non-metals are poor conductors or insulators?
a) they have small atomic mass
b) they have small size
c) they have no free electrons
d) all of these
In three states of matter, which of them is/are good conductor/s of heat?
a) gas
b) liquid
c) solid
d) all of these
Which of the following is best insulator?
a) wood
b) water
c) air
d) iron
How can be air an insulator?
by at 2025-04-16 16:58:33