Physics Ozone layer in the outer atmosphere helps us in Reflecting radio waves and makes radio communication possible Absorbing UV radiations Absorbing cosmic ray particles Regulating the temperature of atmosphere Reflecting radio waves and makes radio communication possible Absorbing UV radiations Absorbing cosmic ray particles Regulating the temperature of atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed His weight may be reduced No frictional force may be produced between the wheels and the axle Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed His weight may be reduced No frictional force may be produced between the wheels and the axle ANSWER DOWNLOAD EXAMIANS APP
Physics An atom with more neutrons than protons is called None of these Element Isotope Compound None of these Element Isotope Compound ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Gramophone Solar cell Microphone Loudspeaker Gramophone Solar cell Microphone Loudspeaker ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photosynthesis Photovoltaic effect Photoelectric effect Photoconductive effect Photosynthesis Photovoltaic effect Photoelectric effect Photoconductive effect ANSWER DOWNLOAD EXAMIANS APP
Physics What type of force acts on a car moving around a curve? Gravitational force Centrifugal force Cohesive force Centripetal force Gravitational force Centrifugal force Cohesive force Centripetal force ANSWER DOWNLOAD EXAMIANS APP
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