How Does the Density of Water Changes When It is Heated from 0°C to 4°C,

How does the density of water changes when it is heated from 0°C to 4°C,

One Line Answer

Water contracts on heating from 0°C to 4°C and expands on heating above 4°C.

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Chapter 1: Physical Quantities and Measurement - Short/Long Answer Questions

Chapter 1 Physical Quantities and Measurement
Short/Long Answer Questions | Q 13.1

Fill in the blank

1 g cm^-3 = _______ kg m^-3.

A block of iron has dimensions 2 m × 0.5 m × 0.25 m. The density of iron is 7.8 g cm⁻³. Find the mass of block.

A boy travels with a speed of 10 m s^-1 for 30 minute. How much distance does he travel ?

Express 15 m s^-1 in km h^-1.

What is measurement? How is a measurement expressed?

Tick the most appropriate answer.

Which of the following is a fundamental physical quantity?

Answer the following in short.

What do you mean by a mean solar day?

Answer the following in detail.

Which is the most suitable unit for measuring the volume of the swimming pool?

Solve the following numerical problem.

Express 6L in mL.

What is the physical quantity? give example.