Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is The same in both cases in all respects Of higher pitch when train arrives Of higher pitch when train departs Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train arrives Of higher pitch when train departs Of higher intensity when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics One Kilowatt hour is equal to - 3.8 Mega Joule 3.2 Mega Joule 3.6 Mega Joule 4.0 Mega Joule 3.8 Mega Joule 3.2 Mega Joule 3.6 Mega Joule 4.0 Mega Joule ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle No work is done on it Its velocity remains constant No force acts on it No acceleration is produced in it No work is done on it Its velocity remains constant No force acts on it No acceleration is produced in it ANSWER DOWNLOAD EXAMIANS APP
Physics Echolocation is an adaptation bats use to Find warm places for hibernation Hunt insects in flight All of these Locate flowering plants Find warm places for hibernation Hunt insects in flight All of these Locate flowering plants ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: The heating effect of current alone Intense sunlight at noon Hysteresis loss alone Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone Both the heating effect of current and hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of the earth's atmosphere, sky would appear Black Blue Deep red White Black Blue Deep red White ANSWER DOWNLOAD EXAMIANS APP