Physics Easy NTS Uploaded: 17 Aug 2026

Which of the following is the best conductor of heat?

Correct Answer: Option A — Copper

Explanation:

Copper is an excellent conductor of heat due to the free movement of electrons within its metallic structure, which is why it is commonly us...

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Thermal expansion of solids occurs because:

A calorimeter is used to measure:

The boiling point of water on the Fahrenheit scale is:

Which of the following best describes 'latent heat'?

The freezing point of water on the Celsius scale is:

The efficiency of a heat engine is defined as the ratio of:

An adiabatic process is one in which:

Which gas law states that pressure is inversely proportional to volume at constant temperature?

Which process occurs at constant volume?

Charles's law relates volume of a gas to its: