Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 20 cm 10 cm 5 cm 15 cm 20 cm 10 cm 5 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Physics A permanent magnet can affect Electromagnets None of these Both A & B Magnets Electromagnets None of these Both A & B Magnets ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical burns occur principally because of The heat generated by the flow of electrical current through the body The high energy of electrons Radiation pulses of the electricity All of these The heat generated by the flow of electrical current through the body The high energy of electrons Radiation pulses of the electricity All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Water from soil enters into the root hairs owing to : Root pressure Atmospheric pressure Osmotic pressure Capillary pressure Root pressure Atmospheric pressure Osmotic pressure Capillary pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibres are based on the phenomenon of Total Internal Reflection Interference Diffraction Dispersion Total Internal Reflection Interference Diffraction Dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Transverse waves on a string Sound waves in air Light waves Longitudinal waves on a string Transverse waves on a string Sound waves in air Light waves Longitudinal waves on a string ANSWER DOWNLOAD EXAMIANS APP
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