Physics Sound waves cannot travel in Water Vacuum Glass Hydrogen gas Water Vacuum Glass Hydrogen gas ANSWER DOWNLOAD EXAMIANS APP
Physics Soap bubble attains spherical shape due to ________ Pressure Viscosity Inertia Surface tension Pressure Viscosity Inertia Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They have extra air sacs They fly inactively They use less oxygen Their lungs are very large They have extra air sacs They fly inactively They use less oxygen Their lungs are very large ANSWER DOWNLOAD EXAMIANS APP
Physics Longitudinal waves cannot travel through Gas Solid Liquid Vacuum Gas Solid Liquid Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, Both A & B The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object None of these Both A & B The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object None of these ANSWER DOWNLOAD EXAMIANS APP
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