State two observations which show that atom is not indivisible.

State one observation which shows that atom is not indivisible.

an atom is no longer indivisible .

Write any two observation which support the fact that atoms are divisible.

Write any two observation which support the fact that atoms are divisible.

Are atoms indivisible ?

In Davisson and Germer experiment states the observations which led to show the wave nature of electrons?

State any two observations from everyday life which show that light travels in straight lines.

State one observation from everyday life which shows that sound travels much more slow than light.