Question

30. Explain why, we can easily move our hand in air but to do the same through a plank of wood, we need a
karate expert?​

Answer 1

Answer:

We can easily move our hand in air but to do the same through a solid block of wood we need a karate expert. Answer: (a) The particles of a gas are constantly moving in all the directions with different speeds. Therefore they do not have a fixed volume and hence completely fill the vessel in which they are kept.

Answer 2

Answer:

Explain why, we can easily move our hand in air but to do the same through a plank of wood, we need a karate expert?

Explanation:

‌$\huge\fbox\red{Answer}$

The particles of a gas are constantly moving in all the directions with different speeds. Therefore they do not have a fixed volume and hence completely fill the vessel in which they are kept