Physics Choose the most appropriate answer: Natural radioactivity was discovered by Marie Curie Earnest Rutherford Henry Bacquerel Enrico Fermi Marie Curie Earnest Rutherford Henry Bacquerel Enrico Fermi ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To decrease the resistance To increase the current flow To decrease the current flow Ro decrease the voltage momentarily To decrease the resistance To increase the current flow To decrease the current flow Ro decrease the voltage momentarily ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher intensity when train arrives Of higher pitch when train departs Of higher pitch when train arrives The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train departs Of higher pitch when train arrives The same in both cases in all respects ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 0.01 1 × 1010 1 × 10–10 0.001 0.01 1 × 1010 1 × 10–10 0.001 ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute zero is a temperature at which ________ All gases become liquid All gases become solid Molecular motion in a gas would cease Water freezes All gases become liquid All gases become solid Molecular motion in a gas would cease Water freezes ANSWER DOWNLOAD EXAMIANS APP
Physics Thermal expansion of materials arises from Asymmetry of potential energy curve Weak bonds Strong bonds Thermal vibrations Asymmetry of potential energy curve Weak bonds Strong bonds Thermal vibrations ANSWER DOWNLOAD EXAMIANS APP