Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 5.41 sec 3.44 sec 4.65 sec 2.87 sec 5.41 sec 3.44 sec 4.65 sec 2.87 sec ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon which causes mirage is Polarisation Interference Diffraction Total internal reflection Polarisation Interference Diffraction Total internal reflection 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 Rises Falls first and then rises Remains same Falls Rises Falls first and then rises Remains same Falls ANSWER DOWNLOAD EXAMIANS APP
Physics Heat flows as a result of difference of ________ Mass Volume Temperature Density Mass Volume Temperature Density ANSWER DOWNLOAD EXAMIANS APP
Physics Where are mesons found ? Cosmic rays Gamma rays X-rays Laser beam Cosmic rays Gamma rays X-rays Laser beam ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust is a bad conductor of heat ANSWER DOWNLOAD EXAMIANS APP
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