Physics Holography is a technique of Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional multicolour photograph Recording a permanent three dimensional black and white photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional multicolour photograph Recording a permanent three dimensional black and white photograph ANSWER DOWNLOAD EXAMIANS APP
Physics Refractive Index of glass with respect to water is 44082 44052 43864 43924 44082 44052 43864 43924 ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Perfect conductors Superconductors Dielectrics Semi conductors Perfect conductors Superconductors Dielectrics Semi conductors ANSWER DOWNLOAD EXAMIANS APP
Physics A device used for converting a.c. into d.c. is called Rectifier Dynamo Transformer Induction coil Rectifier Dynamo Transformer Induction coil ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Micro waves Frequency of 1016 series M. Radio waves Micro waves Frequency of 1016 series M. Radio waves ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS