Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat moves in the same direction in which air blows spins around moves in opposite direction in which the air is blown does not move moves in the same direction in which air blows spins around moves in opposite direction in which the air is blown does not move ANSWER DOWNLOAD EXAMIANS APP
Physics One billionth of a second is called Millisecond Microsecond Picoseconds Nanosecond Millisecond Microsecond Picoseconds Nanosecond ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Light waves Transverse waves on a string Sound waves in air Longitudinal waves on a string Light waves Transverse waves on a string Sound waves in air Longitudinal waves on a string ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to ozone Due to low air pressure Due to high humidity Due to low temperature Due to ozone Due to low air pressure Due to high humidity Due to low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot See distant objects See black colour Distinguish between certain colours Have persistence of vision See distant objects See black colour Distinguish between certain colours Have persistence of vision ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Reflection Polarization Interference Diffraction Reflection Polarization Interference Diffraction ANSWER DOWNLOAD EXAMIANS APP
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