Physics Which one of the following animals can hear ultrasonic sound ? Bat Rat Squirrel Cat Bat Rat Squirrel Cat ANSWER DOWNLOAD EXAMIANS APP
Physics An ice block with a piece of lead embeded in it floats in water. If ice melts the water level Falls Remains same Falls first and then rises Rises Falls Remains same Falls first and then rises Rises ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 2000 1000 0.016 0.008 2000 1000 0.016 0.008 ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river what will be the effect? It rises a little It lowers It jolts It sways It rises a little It lowers It jolts It sways ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a conductor of electricity ? Salt water Pure water Benzene Rubber Salt water Pure water Benzene Rubber ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
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