Question

Q1) Explain:- "when an incense stick in lighted in the corner of a room, it's fragrance spreads quickly in the entire room

Q2) State the two characteristics of matter demonstrated by
a) Diffusion
b) Brownian motion

Q3 Define matter with examples

Plz give me answer fast it's urgent​

Answer 1

Answer:

diffusion: The intermixing of particles of two different types of matter on there own.

Explanation:

the random motion of microscopic fluid due to rapid bombardment is called brownian motion. MATTER. anything which occupies space possess mass and the presence of which can be felt by any one of our five senses is called matter. examples chair almonds smell etc...

Answer 2

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1) When incense stick is lighted in the corner of a room , it's fragrance spreads quickly in the entire room because on heating the kinetic energy increases . Therefore , as the incense stick is lit the particles moves faster in the air as kinetic energy increases on heating .

2) Diffusion: Diffusion is nothing but the movement of molecules from it's higher concentration to loyer concentration. ... Brownian motion tells us that the particles are tiny nature and the particles of a matter are constantly moving.

3) Matter is a substance that has inertia and occupies physical space. According to modern physics, matter consists of various types of particles, each with mass and size. The most familiar examples of material particles are the electron, the proton and the neutron. Combinations of these particles form atoms.

Hope it's helps u...........