Question

8.Give reasons why:
(i) We can easily move our hand in air but not in liquid or solid
(ii)Water flows faster than honey
(ii)Solids possess only vibratory motion.

Answer 1

Explanation:

1. it is easily to move hand in air because their air have light weight and water have high weight and low density

2. honey have high weight and water have low weight

3. solid structure all module become together why solid process only vibration motion

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Answer 2

Answer:

1. because there is a lot of space between particles in air but in liquids and solids the particles are tightly packed means they have greater intermolecular force so that we can move our hand freely in air.

2. water flows faster than honey because honey has higher viscosity than water so it will take longer for honey to flow faster than water as water has lower cohesion and viscosity.

3. because solid's particles are not free to move anywhere because they have high intermolecular force which holds them in a fixed position

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