142771 A wire is suspended vertically from a rigid support. When loaded with a body in air the wire extends by $6 \mathrm{~mm}$ and when the body is immersed completely in water, the extension is reduced to $4 \mathrm{~mm}$. The relative density of material of the body is

142772 A cylindrical metal box whose flat surface has an area $0.01 \mathrm{~m}^{2}$ rests on liquid of $0.3 \mathrm{~mm}$ thickness. It upon applying a horizontal force of magnitude $\frac{1}{3} \mathrm{~N}$, the box slides with a constant speed of $0.09 \mathrm{~ms}^{-1}$, the coefficient of viscosity of the liquid is nearly

142773 An object hangs from a spring balance. The balance shows $40 \mathrm{~N}$ when the object is in air, 30 $\mathbf{N}$ when the object is immersed in water, and 34 $\mathbf{N}$ when the object is immersed in another liquid. If the density of water is $1000 \mathrm{kgm}^{-3}$, then the density of liquid is
(Acceleration due to gravity $=10 \mathrm{~m} \mathrm{~s}^{-2}$ )

142774 About one third of the body of a physicist swimming in the Dead Sea is above the water line. Assuming that density of a human being is about $0.98 \mathrm{~g} / \mathrm{cm}^{3}$. What is the density of water in the Dead Sea (answer in $\mathrm{g} / \mathrm{cm}^{3}$ )?

142684 Two soap bubbles of radii $2 \mathrm{~mm}$ and $4 \mathrm{~mm}$ coalesce to form a double bubble. The radius of its internal common interface will be

142771 A wire is suspended vertically from a rigid support. When loaded with a body in air the wire extends by $6 \mathrm{~mm}$ and when the body is immersed completely in water, the extension is reduced to $4 \mathrm{~mm}$. The relative density of material of the body is

142772 A cylindrical metal box whose flat surface has an area $0.01 \mathrm{~m}^{2}$ rests on liquid of $0.3 \mathrm{~mm}$ thickness. It upon applying a horizontal force of magnitude $\frac{1}{3} \mathrm{~N}$, the box slides with a constant speed of $0.09 \mathrm{~ms}^{-1}$, the coefficient of viscosity of the liquid is nearly

142773 An object hangs from a spring balance. The balance shows $40 \mathrm{~N}$ when the object is in air, 30 $\mathbf{N}$ when the object is immersed in water, and 34 $\mathbf{N}$ when the object is immersed in another liquid. If the density of water is $1000 \mathrm{kgm}^{-3}$, then the density of liquid is
(Acceleration due to gravity $=10 \mathrm{~m} \mathrm{~s}^{-2}$ )

142774 About one third of the body of a physicist swimming in the Dead Sea is above the water line. Assuming that density of a human being is about $0.98 \mathrm{~g} / \mathrm{cm}^{3}$. What is the density of water in the Dead Sea (answer in $\mathrm{g} / \mathrm{cm}^{3}$ )?

142684 Two soap bubbles of radii $2 \mathrm{~mm}$ and $4 \mathrm{~mm}$ coalesce to form a double bubble. The radius of its internal common interface will be

142771 A wire is suspended vertically from a rigid support. When loaded with a body in air the wire extends by $6 \mathrm{~mm}$ and when the body is immersed completely in water, the extension is reduced to $4 \mathrm{~mm}$. The relative density of material of the body is

142772 A cylindrical metal box whose flat surface has an area $0.01 \mathrm{~m}^{2}$ rests on liquid of $0.3 \mathrm{~mm}$ thickness. It upon applying a horizontal force of magnitude $\frac{1}{3} \mathrm{~N}$, the box slides with a constant speed of $0.09 \mathrm{~ms}^{-1}$, the coefficient of viscosity of the liquid is nearly

142773 An object hangs from a spring balance. The balance shows $40 \mathrm{~N}$ when the object is in air, 30 $\mathbf{N}$ when the object is immersed in water, and 34 $\mathbf{N}$ when the object is immersed in another liquid. If the density of water is $1000 \mathrm{kgm}^{-3}$, then the density of liquid is
(Acceleration due to gravity $=10 \mathrm{~m} \mathrm{~s}^{-2}$ )

142774 About one third of the body of a physicist swimming in the Dead Sea is above the water line. Assuming that density of a human being is about $0.98 \mathrm{~g} / \mathrm{cm}^{3}$. What is the density of water in the Dead Sea (answer in $\mathrm{g} / \mathrm{cm}^{3}$ )?

142684 Two soap bubbles of radii $2 \mathrm{~mm}$ and $4 \mathrm{~mm}$ coalesce to form a double bubble. The radius of its internal common interface will be

142771 A wire is suspended vertically from a rigid support. When loaded with a body in air the wire extends by $6 \mathrm{~mm}$ and when the body is immersed completely in water, the extension is reduced to $4 \mathrm{~mm}$. The relative density of material of the body is

142772 A cylindrical metal box whose flat surface has an area $0.01 \mathrm{~m}^{2}$ rests on liquid of $0.3 \mathrm{~mm}$ thickness. It upon applying a horizontal force of magnitude $\frac{1}{3} \mathrm{~N}$, the box slides with a constant speed of $0.09 \mathrm{~ms}^{-1}$, the coefficient of viscosity of the liquid is nearly

142773 An object hangs from a spring balance. The balance shows $40 \mathrm{~N}$ when the object is in air, 30 $\mathbf{N}$ when the object is immersed in water, and 34 $\mathbf{N}$ when the object is immersed in another liquid. If the density of water is $1000 \mathrm{kgm}^{-3}$, then the density of liquid is
(Acceleration due to gravity $=10 \mathrm{~m} \mathrm{~s}^{-2}$ )

142774 About one third of the body of a physicist swimming in the Dead Sea is above the water line. Assuming that density of a human being is about $0.98 \mathrm{~g} / \mathrm{cm}^{3}$. What is the density of water in the Dead Sea (answer in $\mathrm{g} / \mathrm{cm}^{3}$ )?

142684 Two soap bubbles of radii $2 \mathrm{~mm}$ and $4 \mathrm{~mm}$ coalesce to form a double bubble. The radius of its internal common interface will be

142771 A wire is suspended vertically from a rigid support. When loaded with a body in air the wire extends by $6 \mathrm{~mm}$ and when the body is immersed completely in water, the extension is reduced to $4 \mathrm{~mm}$. The relative density of material of the body is

142772 A cylindrical metal box whose flat surface has an area $0.01 \mathrm{~m}^{2}$ rests on liquid of $0.3 \mathrm{~mm}$ thickness. It upon applying a horizontal force of magnitude $\frac{1}{3} \mathrm{~N}$, the box slides with a constant speed of $0.09 \mathrm{~ms}^{-1}$, the coefficient of viscosity of the liquid is nearly

142773 An object hangs from a spring balance. The balance shows $40 \mathrm{~N}$ when the object is in air, 30 $\mathbf{N}$ when the object is immersed in water, and 34 $\mathbf{N}$ when the object is immersed in another liquid. If the density of water is $1000 \mathrm{kgm}^{-3}$, then the density of liquid is
(Acceleration due to gravity $=10 \mathrm{~m} \mathrm{~s}^{-2}$ )

142774 About one third of the body of a physicist swimming in the Dead Sea is above the water line. Assuming that density of a human being is about $0.98 \mathrm{~g} / \mathrm{cm}^{3}$. What is the density of water in the Dead Sea (answer in $\mathrm{g} / \mathrm{cm}^{3}$ )?

142684 Two soap bubbles of radii $2 \mathrm{~mm}$ and $4 \mathrm{~mm}$ coalesce to form a double bubble. The radius of its internal common interface will be