Physics An object which absorbs all colours and reflects none appears: White Blue Black Grey White Blue Black Grey ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 80 db Above 30 db Above 50 db Above 120 db Above 80 db Above 30 db Above 50 db Above 120 db ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To decrease the current flow To increase the current flow To decrease the resistance Ro decrease the voltage momentarily To decrease the current flow To increase the current flow To decrease the resistance Ro decrease the voltage momentarily ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension MLT–2 corresponds to Work done Acceleration Velocity Force Work done Acceleration Velocity Force ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Glass - wool Stone chips Glass pieces Steel Glass - wool Stone chips Glass pieces Steel ANSWER DOWNLOAD EXAMIANS APP
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