Physics Why is it difficult to breathe at higher altitudes? Due to high humidity Due to low temperature Due to ozone Due to low air pressure Due to high humidity Due to low temperature Due to ozone Due to low air pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Displacement Acceleration Velocity Frequency Displacement Acceleration Velocity Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Martin Luther Johannes Kepler Galileo Copernicus Martin Luther Johannes Kepler Galileo Copernicus ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Helps the engine in keeping the speed uniform Gives strength to the engine Decreases the moment of inertia Accelerates the speed of the engine Helps the engine in keeping the speed uniform Gives strength to the engine Decreases the moment of inertia Accelerates the speed of the engine ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Spark plug creates electromagnetic disturbances Metal reflects radiowaves Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Spark plug creates electromagnetic disturbances Metal reflects radiowaves ANSWER DOWNLOAD EXAMIANS APP
Physics When does land breeze occur? Winter Hot summer Fall Both A & B Winter Hot summer Fall Both A & B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS