Multiple choice question VI — task. Science CBSE, Class 9.

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1. The atmosphere exerts a pressure of \(P\) on the surface of earth, then \(P\) equal:

\(1.01 \times 10^{5} Nm^{-2}\)
\(1.01 \times 10^{-5} Nm^{-2}\)
\(1.01 \times 10^{7} Nm^{-2}\)
\(1.01 \times 10^{-7} Nm^{-2}\)

2. A piece of wood is held under water. The upthrust on it is:

equal to the weight of the wood
less than the weight of the wood
more than the weight of wood
zero

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