Q1. To stretch a relaxed biceps muscle 2.8 cm requires a force of 25 N. Find out the Young's modulus for the muscle tissue, assuming it to be the uniform cylinder of length 0.24 m and cross-sectional area 54 cm2.
Q2. A cardiac pacemaker can be affected by the static magnetic field as small as 1.7 mT. How close can a pacemaker wearer come to a long, straight wire carrying 19 A.
Q3. Two radio antennas are separated by 2.0 m. Both broadcast identical 750 MHz waves. If you walk around the antennas in a circle of radius 13.0 m, how many maxima would you detect?