MCQOPTIONS
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| 1. |
A jet plane flies in the air because [NCERT 1971] |
| A. | The gravity does not act on bodies moving with high speeds |
| B. | The thrust of the jet compensates for the force of gravity |
| C. | \[3.8\times {{10}^{12}}kg\] |
| D. | The weight of air whose volume is equal to the volume of the plane is more than the weight of the plane |
| Answer» C. \[3.8\times {{10}^{12}}kg\] | |