Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Air, water and iron Water, iron and air Iron, air and water Iron, water and air Air, water and iron Water, iron and air Iron, air and water Iron, water and air ANSWER DOWNLOAD EXAMIANS APP
Physics Bending of light rays in denser medium is termed as: Deflection Dispersion Reflection Refraction Deflection Dispersion Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are None of these Negatively charged particles Neutral particles Positively charged particles None of these Negatively charged particles Neutral particles Positively charged particles ANSWER DOWNLOAD EXAMIANS APP
Physics In a vacuum, all electromagnetic waves have the same Velocity Wavelenth All listed here Frequency Velocity Wavelenth All listed here Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and radiation only Conduction, convection and radiation Conduction and convection only Convection and radiation only Conduction and radiation only Conduction, convection and radiation Conduction and convection only Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Marie Curie Enrico Fermi Ernest Rutherfor Henri Becquerel Marie Curie Enrico Fermi Ernest Rutherfor Henri Becquerel ANSWER DOWNLOAD EXAMIANS APP
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