Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 15 cm 10 cm 20 cm 5 cm 15 cm 10 cm 20 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Small bubbles are perfectly spherical because of Gravity Pressure Surface tension Viscosity Gravity Pressure Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river what will be the effect? It lowers It jolts It sways It rises a little It lowers It jolts It sways It rises a little ANSWER DOWNLOAD EXAMIANS APP
Physics Anemometer is used to measure Pressure gradient Wind speed and time Wind direction Wind velocity Pressure gradient Wind speed and time Wind direction Wind velocity ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes ANSWER DOWNLOAD EXAMIANS APP
Physics Radioactive elements can be traced out in living cell through a technique called All listed here Auto radiography Centrifugation Chromatography All listed here Auto radiography Centrifugation Chromatography ANSWER DOWNLOAD EXAMIANS APP