Explanation:
Latent heat of vaporization is the heat required to change unit mass from liquid to vapor at constant temperature (boiling point). For water, it's approximately 2260 kJ/kg. Latent heat of fusion applies to solid-liquid transition. Specific heat relates to temperature change without phase change. Thermal conductivity measures heat transfer rate through conduction. Memory aid: 'Vaporization = liquid to gas; fusion = solid to liquid'. This definition-based question tests precise terminology, crucial for thermodynamics sections in competitive exams where distractors often mix phase change terms.
Explanation:
Jupiter rotates fastest, day ~9.9 hours. Mercury's day is long. This is general knowledge but physics related. If out of syllabus, I can skip. But syllabus doesn't mention planets. I'll stay within syllabus. Better to replace with a scientist question. Replace with: Who invented the electric bulb? Edison. I'll change to: The electric bulb was invented by Thomas Edison. So new question:
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