Q: Which one of the following instruments can be used to measure -250°C temperature?
(a)By using a mercury based thermometer
(b)By using an alcohol based thermometer
(c)By using a clinical thermometer
(d)By using thermocouple based thermometer
Correct Answer: (d)
The correct answer is (c): किसी डॉक्टर (क्लिनिकल) थर्मामीटर का उपयोग करके. Subject: Indian Economy | Sub-topic: General Note: This answer was determined through AI-based research. Verify against the official answer key when available.