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प्रश्न
A solar water heater cannot be used to get hot water on
विकल्प
a sunny day
a cloudy day
a hot day
a windy day
MCQ
उत्तर
a cloudy day
A solar water heater receives energy from the sun, but the sun does not appear on a cloudy day. Therefore, a solar water heater does not receive energy on a cloudy day and cannot heat up water.
shaalaa.com
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