Physics Conversion of sound energy into electrical energy is done by Gramophone Microphone Loudspeaker Solar cell Gramophone Microphone Loudspeaker Solar cell ANSWER DOWNLOAD EXAMIANS APP
Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of energy Conservation of momentum Conservation of mass Conservation of charge Conservation of energy Conservation of momentum Conservation of mass Conservation of charge ANSWER DOWNLOAD EXAMIANS APP
Physics The freezing point of fresh water is ________ . 4°C 0°C 5°C 3°C 4°C 0°C 5°C 3°C ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Infrasonics Megasonics Ultrasonics Audible sounds Infrasonics Megasonics Ultrasonics Audible sounds ANSWER DOWNLOAD EXAMIANS APP
Physics A rear-view mirror for driving is Concave Convex Inverted Plain Concave Convex Inverted Plain ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
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