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यदि पृथ्वी कि त्रिज्या `1%` सिकुड़ जायें (द्रव्यमान वही रहे )तो पृथ्वी तल पर गुरुत्वीय त्वरण पर क्या प्रभाव पढ़ेगा?

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`g=(GM)/(R^(2))` से,` (Delta g)/(g) =-(2Delta R)/(R)`
यहाँ`(Delta R) /(R) xx100=-1`
` therefore " "(Delta g)/(g) xx100=-2 (-1) =2`
अतः गुरुत्वीय त्वरण 2 प्रतिशत बढ़ जायेगा|

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