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Matter In Our Surroundings

Question

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Classify the following as scalar and vector quantities:

Temperature, mass, volume, speed, displacement, time, distance, velocity, electric charge, acceleration, force, momentum, density, work, weight, energy.

Solution

Scalar quantities: Temperature, mass, volume, speed, time, distance, electric charge, density, work and energy.

Vector quantities: Displacement, velocity, acceleration, force, momentum and weight.

Some More Questions From Matter In Our Surroundings Chapter

What is the physical state of water at

a) 25°C
b)0⁰C
c)100⁰C

What is the physical state of water at
0°C

What is the physical state of water at
100°C

Give two reasons to justify
Water at room temperature is a liquid.

Give two reasons to justify
An iron almirah is a solid at room temperature.

Why is ice at 273K more effective in cooling than water at the same temperature ?

What produces more severe burns, boiling water or steam ?

8. Name A, B, C, D, E and F in the following diagram showing state change :

Both boiling and evaporation convert a liquid into vapour. What is the difference between the two process

Define Evaporation

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