Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Iron, water and air Iron, air and water Water, iron and air Air, water and iron Iron, water and air Iron, air and water Water, iron and air Air, water and iron ANSWER DOWNLOAD EXAMIANS APP
Physics Depth of ocean is measured by Siesmometer Animometer Fathometer Aerometer Siesmometer Animometer Fathometer Aerometer ANSWER DOWNLOAD EXAMIANS APP
Physics Steel is more elastic than rubber because it : Is deformed very easily Requires larger deforming force Is never deformed Is harder than rubber Is deformed very easily Requires larger deforming force Is never deformed Is harder than rubber ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Sending a frame to a group of stations is known as Single casting Multicasting Casting Spreading Single casting Multicasting Casting Spreading ANSWER DOWNLOAD EXAMIANS APP
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