Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Increase Remain unaffected Decrease Have its shape changed Increase Remain unaffected Decrease Have its shape changed ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following scientific discoveries was made by C.V. Raman? Controlled nuclear fission Inelastic scattering of light by molecules Cyclotron Super Conductivity Controlled nuclear fission Inelastic scattering of light by molecules Cyclotron Super Conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics An integrated circuit is more advantages than a coventional circuit because A faulty part of a conventional circuit may be difficult to locate and repair All listed here If a part of the integrated circuit fails the entire circuit is simply replaced They make the electric equipments more reliable and easier for servicing A faulty part of a conventional circuit may be difficult to locate and repair All listed here If a part of the integrated circuit fails the entire circuit is simply replaced They make the electric equipments more reliable and easier for servicing ANSWER DOWNLOAD EXAMIANS APP
Physics Electric Motor converts ________ energy to mechanical energy Electrical Sound Mechanical Chemical Electrical Sound Mechanical Chemical ANSWER DOWNLOAD EXAMIANS APP
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Bring his hands together Sit down with raised hands Raise his hands up Spread his hands outwards Bring his hands together Sit down with raised hands Raise his hands up Spread his hands outwards ANSWER DOWNLOAD EXAMIANS APP