Physics A photo-electric cell converts Heat energy to mechanical energy Light energy to electrical energy Mechanical energy to electric energy Light energy to chemical energy Heat energy to mechanical energy Light energy to electrical energy Mechanical energy to electric energy Light energy to chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, None of these It must have constant direction It must have constant speed in constant direction It must have constant speed None of these It must have constant direction It must have constant speed in constant direction It must have constant speed ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel through Vacuum Solid Liquid Gas Vacuum Solid Liquid Gas ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? Gama particle X rays UV rays Alpha particle Gama particle X rays UV rays Alpha particle ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 700 nm 0.07 nm 70 nm 7 nm 700 nm 0.07 nm 70 nm 7 nm ANSWER DOWNLOAD EXAMIANS APP
Physics Which physical quantity is measured in 'siemens'? Magnetic flux Electric potential Refractive index Electrical conductance Magnetic flux Electric potential Refractive index Electrical conductance ANSWER DOWNLOAD EXAMIANS APP
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