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> 使用冷暖空调的密闭轿车窗玻璃上,无论盛夏还是严冬,都有小水珠凝结,实际情况是夏天小水珠凝结在窗玻璃的(填“外表面”或“内表面”).-九年级物理
使用冷暖空调的密闭轿车窗玻璃上,无论盛夏还是严冬,都有小水珠凝结,实际情况是夏天小水珠凝结在窗玻璃的(填“外表面”或“内表面”).-九年级物理
题目简介
使用冷暖空调的密闭轿车窗玻璃上,无论盛夏还是严冬,都有小水珠凝结,实际情况是夏天小水珠凝结在窗玻璃的(填“外表面”或“内表面”).-九年级物理
题目详情
使用冷暖空调的密闭轿车窗玻璃上,无论盛夏还是严冬, 都有小水珠凝结,实际情况是夏天小水珠凝结在窗玻璃的
(填“外表面”或“内表面”).
题型:填空题
难度:偏易
来源:不详
答案
外表面
试题分析:液化及液化现象.物质从气态变为液态叫液化,玻璃上的小水珠是由水蒸气遇冷液化形成的,夏天轿车内是冷空调,轿车内是低温,轿车外的水蒸气遇冷液化成小水珠附着在玻璃的外表面
点评:对于此类试题,学生应把握液化现象物质从气态变为液态叫液化,由于温度升高,气体吸热液化。
上一篇 :
如图是热管原理示意图,管内衬有
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Will it matter if you don’t
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题目简介
使用冷暖空调的密闭轿车窗玻璃上,无论盛夏还是严冬,都有小水珠凝结,实际情况是夏天小水珠凝结在窗玻璃的(填“外表面”或“内表面”).-九年级物理
题目详情
答案
试题分析:液化及液化现象.物质从气态变为液态叫液化,玻璃上的小水珠是由水蒸气遇冷液化形成的,夏天轿车内是冷空调,轿车内是低温,轿车外的水蒸气遇冷液化成小水珠附着在玻璃的外表面
点评:对于此类试题,学生应把握液化现象物质从气态变为液态叫液化,由于温度升高,气体吸热液化。