Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 20 cm 10 cm 15 cm 5 cm 20 cm 10 cm 15 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Physics The fundamental scientific principle in the operation of battery is Oxidation-reduction Dialysis Acid-base interaction Dissociation of electrolytes Oxidation-reduction Dialysis Acid-base interaction Dissociation of electrolytes ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has Low refraction in the medium High frequency High intensity Long wavelength Low refraction in the medium High frequency High intensity Long wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in Only the capillary tube Neither Only the glass tube Both Only the capillary tube Neither Only the glass tube Both ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has Less density than dry air. Less pressure than dry air. More density than dry air. More pressure than dry air. Less density than dry air. Less pressure than dry air. More density than dry air. More pressure than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics Boyle's law is a relationship between Volume and temperature Volume and density Pressure and temperature Pressure and volume Volume and temperature Volume and density Pressure and temperature Pressure and volume ANSWER DOWNLOAD EXAMIANS APP
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