Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Green Orange Yellow Blue Green Orange Yellow Blue ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Heat energy to mechanical energy Light energy to electrical energy Light energy to chemical energy Mechanical energy to electric energy Heat energy to mechanical energy Light energy to electrical energy Light energy to chemical energy Mechanical energy to electric energy ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Is zero Is infinity Depends on the speeds of various fragments Depends on the total mass of all the fragments Is zero Is infinity Depends on the speeds of various fragments Depends on the total mass of all the fragments ANSWER DOWNLOAD EXAMIANS APP
Physics Stars are held together by Ionic forces Gravitational forces Electrical forces Magnetic forces Ionic forces Gravitational forces Electrical forces Magnetic forces ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel through Liquid Solid Vacuum Gas Liquid Solid Vacuum Gas ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Micron is equal to 10–9 m 10–12 m 10–6 m 10–15 m 10–9 m 10–12 m 10–6 m 10–15 m ANSWER DOWNLOAD EXAMIANS APP