143146 An aeroplane of mass $3 \times 10^{4} \mathrm{~kg}$ and total wing area of $120 \mathrm{~m}^{2}$ is in level flight at some height. The difference in pressure between the upper and lower surface of its wings in kilopascal is $\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)$

143147 A wooden piece can float both in mercury (of density $13.6 \mathrm{gm} / \mathrm{cc}$ ) and in water (of density 1 $\mathrm{gm} / \mathrm{cc})$. The ratio of mass of mercury displaced to the mass of water displaced is

143156 The working of hydraulic lift is based on the principle of

143139 Pascal's law is not applied in

143146 An aeroplane of mass $3 \times 10^{4} \mathrm{~kg}$ and total wing area of $120 \mathrm{~m}^{2}$ is in level flight at some height. The difference in pressure between the upper and lower surface of its wings in kilopascal is $\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)$

143147 A wooden piece can float both in mercury (of density $13.6 \mathrm{gm} / \mathrm{cc}$ ) and in water (of density 1 $\mathrm{gm} / \mathrm{cc})$. The ratio of mass of mercury displaced to the mass of water displaced is

143156 The working of hydraulic lift is based on the principle of

143139 Pascal's law is not applied in

143146 An aeroplane of mass $3 \times 10^{4} \mathrm{~kg}$ and total wing area of $120 \mathrm{~m}^{2}$ is in level flight at some height. The difference in pressure between the upper and lower surface of its wings in kilopascal is $\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)$

143147 A wooden piece can float both in mercury (of density $13.6 \mathrm{gm} / \mathrm{cc}$ ) and in water (of density 1 $\mathrm{gm} / \mathrm{cc})$. The ratio of mass of mercury displaced to the mass of water displaced is

143156 The working of hydraulic lift is based on the principle of

143139 Pascal's law is not applied in

143146 An aeroplane of mass $3 \times 10^{4} \mathrm{~kg}$ and total wing area of $120 \mathrm{~m}^{2}$ is in level flight at some height. The difference in pressure between the upper and lower surface of its wings in kilopascal is $\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)$

143147 A wooden piece can float both in mercury (of density $13.6 \mathrm{gm} / \mathrm{cc}$ ) and in water (of density 1 $\mathrm{gm} / \mathrm{cc})$. The ratio of mass of mercury displaced to the mass of water displaced is

143156 The working of hydraulic lift is based on the principle of

143139 Pascal's law is not applied in