Question
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Answer (Detailed Solution Below)
Option 1 : 2.0 kW / 2.0 kW
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Detailed Solution
सही उत्तर 2.0 kW / 2.0 kW है।
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prepsnap.in • Part -AQuestion:
A pump lifts $500$ kg of water to a height of $20$ m in $50$ s. Taking $g = 10$ m/s² and neglecting losses, the power of the pump is / एक पंप $500$ kg पानी को $50$ s में $20$ m ऊँचाई तक उठाता है। $g = 10$ m/s² लेकर तथा हानियाँ नगण्य मानकर, पंप की शक्ति है
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2.0 kW / 2.0 kW
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5.0 kW / 5.0 kW
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10.0 kW / 10.0 kW
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1.0 kW / 1.0 kW
Correct Answer: 2.0 kW / 2.0 kW
$P = \dfrac{mgh}{t} = \dfrac{500 \times 10 \times 20}{50} = 2000$ W $= 2.0$ kW. / $P = \dfrac{mgh}{t} = \dfrac{500 \times 10 \times 20}{50} = 2000$ W $= 2.0$ kW।
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