Properties of matterEasy
Question
A brass rod of cross-sectional area 1 cm2 and length 0.2 m is compressed lengthwise by a weight of 5 kg. If Young′s modulus of elasticity of brass is 1 × 1011 N/m2 and g = 10 m/sec2, then increase in the energy of the rod will be :
Options
A.10-5 Joule
B.2.5 × 10-5 Joule
C.5 × 10-5 Joule
D.2.5 × 10-4 Joule
More Properties of matter Questions
Two soap bubbles each of radius r are touching each other. The radius of curvature of the common surface will be :...A certain number of spherical drops of a liquid of radius r coalesce to form a single drop of radius R and volume V. If ...The increase in the pressure required to decrease the volume ( $\Delta V$ ) of water is $6.3 \times 10^{7}\text{ }N/m^{2...If a wax coated capillary tube is dipped in water, then water in it will -...Which on of the following affects the alasticity of a substance ?...