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 right None of these Remain straight Bend towards left Bend towards right None of these Remain straight Bend towards left ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Transmitter Microphone Speaker Amplifier Transmitter Microphone Speaker Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a form of Energy? Motion Sound Heat Pressure Motion Sound Heat Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They are nearer to earth and hence we receive a greater amount of light. They emit light of a constant intensity They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They are nearer to earth and hence we receive a greater amount of light. They emit light of a constant intensity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Asbestos Mica Celluloid Rubber Asbestos Mica Celluloid Rubber ANSWER DOWNLOAD EXAMIANS APP
Physics An Electric generator is based on which of the following scientific principles? Faraday's law of Electromagnetic Induction Super Conductivity Newton's Law of Motion Laws of Thermodynamics Faraday's law of Electromagnetic Induction Super Conductivity Newton's Law of Motion Laws of Thermodynamics ANSWER DOWNLOAD EXAMIANS APP
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