A Beckmann thermometer is used to measure

Options

A. High temperature
B. Low temperature
C. Normal temperature
D. All temperature

Explanation

**Step-by-Step Solution:**

1. **Understanding the Beckmann Thermometer**:
- A Beckmann thermometer is a specialized type of thermometer designed for measuring temperature with high precision.

2. **Temperature Range**:
- It is particularly used for measuring low temperatures, typically in the range of -1°C to 100°C.

3. **Applications**:
- The Beckmann thermometer is commonly used in laboratory settings, especially in experiments involving phase changes, such as melting points and boiling points of substances.

4. **Conclusion**:
- Therefore, the Beckmann thermometer is primarily used to measure low temperatures.

**Final Answer**: A Beckmann thermometer is used to measure low temperature.

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