Physics Sound waves cannot travel through Vacuum Solid Liquid Gas Vacuum Solid Liquid Gas ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Covalent attraction Vander waals forces Hydrogen bond formation Dipole interaction Covalent attraction Vander waals forces Hydrogen bond formation Dipole interaction ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibres are based on the phenomenon of Dispersion Diffraction Total Internal Reflection Interference Dispersion Diffraction Total Internal Reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Refract light of different colours Reflect lights of different colours Dispense light into component colours Transmit or absorb light of different colours Refract light of different colours Reflect lights of different colours Dispense light into component colours Transmit or absorb light of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Glass Vacuum Water Air Glass Vacuum Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following occurred first ? Wright Brothers successfully flew an aircraft Max Planck unveiled the Quantum Theory Guglielmo Marconi sent out the first wireless signals Albert Einstein propounded the General Theory of Relativity Wright Brothers successfully flew an aircraft Max Planck unveiled the Quantum Theory Guglielmo Marconi sent out the first wireless signals Albert Einstein propounded the General Theory of Relativity ANSWER DOWNLOAD EXAMIANS APP