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AP EAMCET Engineering 2015 Code C Paper

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Question : 94

Total: 160

Light with an energy flux of 9Wcm−2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 20cm2.The total momentum delivered for complete absorption in one hour is

2.16×10(−4)kgms−1
1.16×10−3kgms−1
2.16×10−3kgms−1
3.16×10−4kgms−1

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