Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 15 cm 5 cm 20 cm 10 cm 15 cm 5 cm 20 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? Asteroid belt Black hole White hole Ozone hole Asteroid belt Black hole White hole Ozone hole ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nickel Nichrome Tungsten Chromium Nickel Nichrome Tungsten Chromium ANSWER DOWNLOAD EXAMIANS APP
Physics The plastic material commonly used for making gear wheels is Polystyrene Polyesters Nylons Bakelit Polystyrene Polyesters Nylons Bakelit ANSWER DOWNLOAD EXAMIANS APP
Physics What part of the atom has a positive charge? Neutron All listed here Electron Proton Neutron All listed here Electron Proton ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of intensity of electric field is N/m Volt J/c N/c N/m Volt J/c N/c ANSWER DOWNLOAD EXAMIANS APP
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