Physics In the atmosphere ultraviolet rays are absorbed by Oxygen Ozone Helium Nitrogen Oxygen Ozone Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively They have extra air sacs Their lungs are very large They use less oxygen They fly inactively They have extra air sacs Their lungs are very large They use less oxygen ANSWER DOWNLOAD EXAMIANS APP
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? 2.87 sec 4.65 sec 5.41 sec 3.44 sec 2.87 sec 4.65 sec 5.41 sec 3.44 sec ANSWER DOWNLOAD EXAMIANS APP
Physics A gas thermometer is more sensitive than a liquid thermometer because a gas : Is easy to obtain Expands more than a liquid Is lighter than liquid Does not change state easily Is easy to obtain Expands more than a liquid Is lighter than liquid Does not change state easily ANSWER DOWNLOAD EXAMIANS APP
Physics A falling drop of rain water acquires the spherical shape due to Surface Tension Viscosity Gravitational force Atmospheric pressure Surface Tension Viscosity Gravitational force Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics A decibel is The wavelength of noise A musical instrument A measure of sound level A musical note The wavelength of noise A musical instrument A measure of sound level A musical note ANSWER DOWNLOAD EXAMIANS APP
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