141035 If the ratio of radii of two wires of same material is $2: 1$ and ratio of their lengths is 4 : 1 , then the ratio of the normal forces that will produce the same extension in the length of two wires is

141036 The upper end of a wire of diameter $12 \mathrm{~mm}$ and length $1 \mathrm{~m}$ is clamped and its other end is twisted through an angle of $30^{\circ}$. The angle of shear is

141037 One end of a horizontal thick copper wire of length $2 L$ and radius $2 R$ is welded to an end of another horizontal thin copper wire of length $L$ and radius $R$. When the arrangement is stretched by applying forces at two ends, the ratio of the elongation in the thin wire to that in the thick wire is

141038 The relationship between Young's modulus $Y$, bulk modulus $K$ and modulus of rigidity $\eta$ is

141035 If the ratio of radii of two wires of same material is $2: 1$ and ratio of their lengths is 4 : 1 , then the ratio of the normal forces that will produce the same extension in the length of two wires is

141036 The upper end of a wire of diameter $12 \mathrm{~mm}$ and length $1 \mathrm{~m}$ is clamped and its other end is twisted through an angle of $30^{\circ}$. The angle of shear is

141037 One end of a horizontal thick copper wire of length $2 L$ and radius $2 R$ is welded to an end of another horizontal thin copper wire of length $L$ and radius $R$. When the arrangement is stretched by applying forces at two ends, the ratio of the elongation in the thin wire to that in the thick wire is

141038 The relationship between Young's modulus $Y$, bulk modulus $K$ and modulus of rigidity $\eta$ is

141035 If the ratio of radii of two wires of same material is $2: 1$ and ratio of their lengths is 4 : 1 , then the ratio of the normal forces that will produce the same extension in the length of two wires is

141036 The upper end of a wire of diameter $12 \mathrm{~mm}$ and length $1 \mathrm{~m}$ is clamped and its other end is twisted through an angle of $30^{\circ}$. The angle of shear is

141037 One end of a horizontal thick copper wire of length $2 L$ and radius $2 R$ is welded to an end of another horizontal thin copper wire of length $L$ and radius $R$. When the arrangement is stretched by applying forces at two ends, the ratio of the elongation in the thin wire to that in the thick wire is

141038 The relationship between Young's modulus $Y$, bulk modulus $K$ and modulus of rigidity $\eta$ is

141035 If the ratio of radii of two wires of same material is $2: 1$ and ratio of their lengths is 4 : 1 , then the ratio of the normal forces that will produce the same extension in the length of two wires is

141036 The upper end of a wire of diameter $12 \mathrm{~mm}$ and length $1 \mathrm{~m}$ is clamped and its other end is twisted through an angle of $30^{\circ}$. The angle of shear is

141037 One end of a horizontal thick copper wire of length $2 L$ and radius $2 R$ is welded to an end of another horizontal thin copper wire of length $L$ and radius $R$. When the arrangement is stretched by applying forces at two ends, the ratio of the elongation in the thin wire to that in the thick wire is

141038 The relationship between Young's modulus $Y$, bulk modulus $K$ and modulus of rigidity $\eta$ is