05 NOV 2020 (People & Environment) 1st and 2nd Shift NTA UGC NET JRF Question paper, Answer key

1. ‘Solar water still’ is a device to: 1. Produce potable water by using solar energy. 2. Pump water by using solar energy. 3. Generate electricity by using solar energy. 4. Produce heat using solar energy. SHOW ANSWER   Answer 1 Explanation: Production of Still Water The amount of solar energy (insolation) and the ambient …

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