Physics The device which converts sound energy into electrical energy is called Microphone Amplifier Transmitter Speaker Microphone Amplifier Transmitter Speaker ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Newton Decibel Tesla Heartz Newton Decibel Tesla Heartz 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 Oscillator Amplifier Conductor Rectifier Oscillator Amplifier Conductor Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Ordinary glass Cobalt glass Flint glass Pyrex glass Ordinary glass Cobalt glass Flint glass Pyrex glass ANSWER DOWNLOAD EXAMIANS APP
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 None of these Remain straight Bend towards right Bend towards left None of these Remain straight Bend towards right Bend towards left ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms an image which is Virtual and erect Virtual and inverted Real and erect Real and inverted Virtual and erect Virtual and inverted Real and erect Real and inverted ANSWER DOWNLOAD EXAMIANS APP
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