Physics Thermal expansion of materials arises from Weak bonds Thermal vibrations Strong bonds Asymmetry of potential energy curve Weak bonds Thermal vibrations Strong bonds Asymmetry of potential energy curve ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 1 MeV 100 MeV 10 MeV 0.1 MeV 1 MeV 100 MeV 10 MeV 0.1 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is broader at the base To withstand pressure that is increased with atmospheric pressure Because streamlining is required To withstand pressure that increases in a horizontal plane To withstand pressure that increases with depth To withstand pressure that is increased with atmospheric pressure Because streamlining is required To withstand pressure that increases in a horizontal plane To withstand pressure that increases with depth ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels at the fastest speed in vacuum air steel water vacuum air steel water ANSWER DOWNLOAD EXAMIANS APP
Physics One bar is equal to 103 Pa 104 Pa 106 Pa 105 Pa 103 Pa 104 Pa 106 Pa 105 Pa ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 3.3 km, 0.30 km 2.2 km, 0.20 km 1.8 km, 0.15 km 2.8 km, 0.25 km 3.3 km, 0.30 km 2.2 km, 0.20 km 1.8 km, 0.15 km 2.8 km, 0.25 km ANSWER DOWNLOAD EXAMIANS APP