Question

..जर 10 से.मी. नाभीय अंतर (focal length)
असलेली दोन भिंगे एकमेकांपासून 10 से.मी. अंतरावर
ठेवली तर त्यांच्या संयोगी भिंगाचा भिंगांक कित
असेल?​

Answer 1

Answer:

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Explanation:

Water shortages may be caused by climate change, such as altered weather patterns including droughts or floods, increased pollution, and increased human demand and overuse of water. ... Water scarcity is being driven by two converging phenomena: growing freshwater use and depletion of usable freshwater resources.