Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As diffused beams in all directions As parallel beams in all directions As a parallel beam in one direction As a diffused beam in one direction As diffused beams in all directions As parallel beams in all directions As a parallel beam in one direction As a diffused beam in one direction ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Aluminium Iron Silver Copper Aluminium Iron Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Which combination of colour is the most convenient during day and night time ? Organe and blue White and black Red and green Yellow and blue Organe and blue White and black Red and green Yellow and blue ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of intensity of electric field is J/c N/m N/c Volt J/c N/m N/c Volt ANSWER DOWNLOAD EXAMIANS APP
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