Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 20 cm 15 cm 5 cm 10 cm 20 cm 15 cm 5 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Heating a magnet Passing alternating current through it Hammering a magnet Passing direct current through it Heating a magnet Passing alternating current through it Hammering a magnet Passing direct current through it ANSWER DOWNLOAD EXAMIANS APP
Physics Anemometer is an instrument meant for measuring ________ Temperature Wind speed Air masses Velocity Temperature Wind speed Air masses Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As a diffused beam in one direction As parallel beams in all directions As diffused beams in all directions As a parallel beam in one direction As a diffused beam in one direction As parallel beams in all directions As diffused beams in all directions As a parallel beam in one direction ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical burns occur principally because of The high energy of electrons The heat generated by the flow of electrical current through the body All of these Radiation pulses of the electricity The high energy of electrons The heat generated by the flow of electrical current through the body All of these Radiation pulses of the electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because None of these the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. None of these the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. ANSWER DOWNLOAD EXAMIANS APP
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