Physics Stars twinkle because the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics Coolis tube is used to produce Micro waves Radio waves Gama rays X-rays Micro waves Radio waves Gama rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . Gravitational force between train and man The centripetal force Pressure difference due to fast moving air in between Illusion of the man Gravitational force between train and man The centripetal force Pressure difference due to fast moving air in between Illusion of the man ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by Increasing the focal length of the eyepiece Decreasing the focal length of the eyepiece Increasing the focal length of the objective None of these Increasing the focal length of the eyepiece Decreasing the focal length of the eyepiece Increasing the focal length of the objective None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Otto-cycle Boyle's-cycle Diesel-cycle Carnot-cycle Otto-cycle Boyle's-cycle Diesel-cycle Carnot-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics Fuse wire is made of an alloy of Lead and Copper Tin and Lead Tin and Copper Copper and Silver Lead and Copper Tin and Lead Tin and Copper Copper and Silver ANSWER DOWNLOAD EXAMIANS APP
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