Physics If a copper wire is increased to double its length, its resistance will become One–fourth Half Four times Double One–fourth Half Four times Double ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a lower density than metals plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is None of these Gamma rays Beta rays Alpha rays None of these Gamma rays Beta rays Alpha rays ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because of Reflection on sea water Emision of blue wavelength by the sun Atmospheric water vapour Scattering of light Reflection on sea water Emision of blue wavelength by the sun Atmospheric water vapour Scattering of light ANSWER DOWNLOAD EXAMIANS APP
Physics Thermocouple consists of Two dissimilar metals Metal and an insulator Two similar metals Metal and a semiconductor Two dissimilar metals Metal and an insulator Two similar metals Metal and a semiconductor ANSWER DOWNLOAD EXAMIANS APP
Physics The force exerted by a magnet is an example of ________ Non-contact force Electrostatic force Muscular force Contact force Non-contact force Electrostatic force Muscular force Contact force ANSWER DOWNLOAD EXAMIANS APP
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