Physics Out of the following, which is not emitted by radioactive substance? Neutrons Electromagnetic radiations Electrons Alpha particles Neutrons Electromagnetic radiations Electrons Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of Planck's constant is J/s Js2 Js Js–2 J/s Js2 Js Js–2 ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. ANSWER DOWNLOAD EXAMIANS APP
Physics Pressure Cooker cooks faster because Boiling point decreases with rise of pressure It cooks the food at low pressure The material of the cooker is a good conductor Higher temperature is attained for cooking Boiling point decreases with rise of pressure It cooks the food at low pressure The material of the cooker is a good conductor Higher temperature is attained for cooking ANSWER DOWNLOAD EXAMIANS APP
Physics Rise of oil a wick is due to Pressure of the oil Viscosity of the oil Surface tension of the oil Density of the oil Pressure of the oil Viscosity of the oil Surface tension of the oil Density of the oil ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Nichrome Platinum Pure silicon Copper Nichrome Platinum Pure silicon Copper ANSWER DOWNLOAD EXAMIANS APP