Physics To measure the speed of an approaching car a police officer shines Light waves on it Microwaves on it Radio waves on it Ultra high frequency waves on it Light waves on it Microwaves on it Radio waves on it Ultra high frequency waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 30 db Above 80 db Above 50 db Above 120 db Above 30 db Above 80 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is a term connected with : Water Air Sound Soil Water Air Sound Soil ANSWER DOWNLOAD EXAMIANS APP
Physics Air coolers are more suitable for Hot and humid climate Cool and humid climate Cool and dry climate Hot and dry climate Hot and humid climate Cool and humid climate Cool and dry climate Hot and dry climate ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear sizes are expressed in a unit named Newton Fermi Tesla Angstrom Newton Fermi Tesla Angstrom ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because of Emision of blue wavelength by the sun Scattering of light Reflection on sea water Atmospheric water vapour Emision of blue wavelength by the sun Scattering of light Reflection on sea water Atmospheric water vapour ANSWER DOWNLOAD EXAMIANS APP