Physics Pipelines in cold countries often burst in winter, because Pipelines expand due to freezing Water freezes and expands in its volume Pipelines contract in their volume Temperature of ice is less than that of water Pipelines expand due to freezing Water freezes and expands in its volume Pipelines contract in their volume Temperature of ice is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Dispersion Refraction Scattering of shorter wave lengths Reflection Dispersion Refraction Scattering of shorter wave lengths Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Conductor Amplifier Rectifier Oscillator Conductor Amplifier Rectifier Oscillator ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Rubber Asbestos Celluloid Mica Rubber Asbestos Celluloid Mica ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Metal reflects radiowaves Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Metal reflects radiowaves ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is the value of one nanometer? 10-6 cm 10-3 cm 10-7 cm 10-4 cm 10-6 cm 10-3 cm 10-7 cm 10-4 cm ANSWER DOWNLOAD EXAMIANS APP
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