Physics For accurate scientific work, temperatures are often measured by Alcohol thermometers Thermoelectric thermometers Platinum resistance thermometers Mercury thermometers Alcohol thermometers Thermoelectric thermometers Platinum resistance thermometers Mercury thermometers ANSWER DOWNLOAD EXAMIANS APP
Physics Stars are held together by Gravitational forces Ionic forces Magnetic forces Electrical forces Gravitational forces Ionic forces Magnetic forces Electrical forces ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Electric current is measured by which instrument? Voltmeter Ammeter Sinometer Barometer Voltmeter Ammeter Sinometer Barometer ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are unaffected by atmospheric disturbances. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short wave broadcasts are made by nearby radio stations. ANSWER DOWNLOAD EXAMIANS APP
Physics Tape recorder should not be kept near one of the following things : Radio Clock Magnet Electrical switchboard Radio Clock Magnet Electrical switchboard ANSWER DOWNLOAD EXAMIANS APP
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