Physics Beta rays emitted by a radioactive material are Neutral particles Electromagnetic radiations Charged particles emitted by nucleus The electrons orbiting around the nucleus Neutral particles Electromagnetic radiations Charged particles emitted by nucleus The electrons orbiting around the nucleus ANSWER DOWNLOAD EXAMIANS APP
Physics In the atmosphere ultraviolet rays are absorbed by Helium Ozone Nitrogen Oxygen Helium Ozone Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics Proton carry a Negative Charge Neutral Charge Positive Charge Variable Charge Negative Charge Neutral Charge Positive Charge Variable Charge ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? 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 They fly inactively They have extra air sacs ANSWER DOWNLOAD EXAMIANS APP