Physics In the atmosphere ultraviolet rays are absorbed by Nitrogen Helium Oxygen Ozone Nitrogen Helium Oxygen Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are unaffected by atmospheric disturbances. Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. ANSWER DOWNLOAD EXAMIANS APP
Physics A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank? The liquid surface falls down only at the center of the tank The liquid surface falls down on the direction of motion and rises up on the back side of the tank The surface of the liquid remains horizontal None The liquid surface falls down only at the center of the tank The liquid surface falls down on the direction of motion and rises up on the back side of the tank The surface of the liquid remains horizontal None ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Oil has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Water has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics If electric resistance is to be decreased, then the number of resistances should be connected in ________ Parallel Mixed arrangement None of these Series Parallel Mixed arrangement None of these Series ANSWER DOWNLOAD EXAMIANS APP
Physics When does land breeze occur? Fall Both A & B Hot summer Winter Fall Both A & B Hot summer Winter ANSWER DOWNLOAD EXAMIANS APP
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