Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Bend towards left None of these Bend towards right Remain straight Bend towards left None of these Bend towards right Remain straight ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls In front of him By his side Into his hand Behind him In front of him By his side Into his hand Behind him ANSWER DOWNLOAD EXAMIANS APP
Physics A permanent magnet can affect None of these Both A & B Electromagnets Magnets None of these Both A & B Electromagnets Magnets ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Magnetic energy into mechanical energy Electrical energy into magnetic energy Electrical energy into mechanical energy Mechanical energy into electrical energy Magnetic energy into mechanical energy Electrical energy into magnetic energy Electrical energy into mechanical energy Mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of ultrasound wave is typically Below 20 kHz Below 02 kHz Above 20,000 kHz Above 20 kHz Below 20 kHz Below 02 kHz Above 20,000 kHz Above 20 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Radiation Convection Reflection Conduction Radiation Convection Reflection Conduction ANSWER DOWNLOAD EXAMIANS APP
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