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 Iron, air and water Iron, water and air Water, iron and air Air, water and iron Iron, air and water Iron, water and air Water, iron and air ANSWER DOWNLOAD EXAMIANS APP
Physics A decibel is The wavelength of noise A measure of sound level A musical instrument A musical note The wavelength of noise A measure of sound level A musical instrument A musical note ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Will increase Does not change Will decrease Varies with the increase of depth of the immersion of the iron piece Will increase Does not change Will decrease Varies with the increase of depth of the immersion of the iron piece ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the Corpuscular theory of light? James Clerk Maxwell Isaac Newton Christiaan Hyugens Albert Einstein James Clerk Maxwell Isaac Newton Christiaan Hyugens Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Physics Flemings ''Left hand Rule" is associated with the effect of Electric field on current Electric field on magnet Magnetic field on magnet Magnetic Field on current Electric field on current Electric field on magnet Magnetic field on magnet Magnetic Field on current ANSWER DOWNLOAD EXAMIANS APP
Physics An ice block with a piece of lead embeded in it floats in water. If ice melts the water level Falls Falls first and then rises Remains same Rises Falls Falls first and then rises Remains same Rises ANSWER DOWNLOAD EXAMIANS APP