Question

(a) Fill in the blanks
(i) Solidification is also termed as
Force of attraction in gas particles is
Density of liquid is than solid
(iv) Mass per unit is called density
(V) The unit of force is
(vi) The unit of moment of force is
The unit of refractive index is
(viii) Star twinkle due to
of light
(vii)​

Answer 1

Answer:

I) Freezing

ii) Least

iii) gas

iv) true

v) Newton

vi) force measured in Newton is the unit of moment of force i.e. Nm

vii) ratio of speed of light in vaccum and speed of light in given medium

therefore, it has no unit

viii) star emits it's own light