1.
STATEMENT-1: The upper surface of the wings of an aeroplane is made convex and the lower surface is made concave.
STATEMENT-2: The air currents at the top have a smaller velocity and thus less pressure at the bottom than at the top.
STATEMENT-2: The air currents at the top have a smaller velocity and thus less pressure at the bottom than at the top.
Only logged in users can
attempt or see the solution.