The lowest temperature that can be achieved is close to –273.15 °C, also known as 0 kelvin. This temperature is called absolute zero.
NCERT Science Textbook Curiosity Science Session 2024-2025.
What is the lowest temperature that can be achieved, and what is it called?
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The lowest temperature that can be achieved is called absolute zero, which is -273.15°C or 0 Kelvin. At this temperature, molecular motion nearly stops, and no heat energy remains in a substance, making it theoretically unattainable.