Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 12 24 36 50 12 24 36 50 ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As a parallel beam in one direction As parallel beams in all directions As a diffused beam in one direction As diffused beams in all directions As a parallel beam in one direction As parallel beams in all directions As a diffused beam in one direction As diffused beams in all directions ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance Low work function High melting point Low melting point Low resistance Low work function High melting point Low melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Shock-absorbers are usually made of steel as it : Has higher elasticity Has no ductile property Is not brittle Has lower elasticity Has higher elasticity Has no ductile property Is not brittle Has lower elasticity ANSWER DOWNLOAD EXAMIANS APP
Physics A body absorbs heat most if it is Black and smooth White and rough White and smooth Black and rough Black and smooth White and rough White and smooth Black and rough ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature at which water boils depends mainly on Air Pressure Density Relative humidity Specific heat Air Pressure Density Relative humidity Specific heat ANSWER DOWNLOAD EXAMIANS APP