Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher pitch when train arrives Of higher intensity when train arrives Of higher pitch when train departs The same in both cases in all respects Of higher pitch when train arrives Of higher intensity when train arrives Of higher pitch when train departs The same in both cases in all respects ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following developed the technology of underground nuclear explosion ? Dr. Vikram Sarabhai Dr. Raja Ramanna Dr. P. K. Iyengar Dr. Homi J. Bhabha Dr. Vikram Sarabhai Dr. Raja Ramanna Dr. P. K. Iyengar Dr. Homi J. Bhabha ANSWER DOWNLOAD EXAMIANS APP
Physics The Laser is a beam of radiations which are Coherent and monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic Coherent and monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Surface tension Capillarity Diffusion Viscosity Surface tension Capillarity Diffusion Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Sone Hertz Phon Decibel Sone Hertz Phon Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Will be on the surface of mercury Will be partly immersed mercury Sink in mercury Will dissolve in mercury Will be on the surface of mercury Will be partly immersed mercury Sink in mercury Will dissolve in mercury ANSWER DOWNLOAD EXAMIANS APP
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