Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 20 minutes 2 hours 20 minutes You cannot hear the sound of explosion 3.7 hours 20 minutes 2 hours 20 minutes You cannot hear the sound of explosion 3.7 hours ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Microwaves Infrared rays Radio waves Gamma rays Microwaves Infrared rays Radio waves Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics Radio activity is due to Stable electronic configu-ration Stable electronic configu-ration Unstable nucleus Stable nucleus Stable electronic configu-ration Stable electronic configu-ration Unstable nucleus Stable nucleus ANSWER DOWNLOAD EXAMIANS APP
Physics The capacity of a water heater is measured in Both A & B Metres Litres Gallons Both A & B Metres Litres Gallons ANSWER DOWNLOAD EXAMIANS APP
Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV > lVIS > lIR LUV > lIR > lVIS LUV < lVIS < lIR LUV < lIR < lVIS LUV > lVIS > lIR LUV > lIR > lVIS LUV < lVIS < lIR LUV < lIR < lVIS ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down ANSWER DOWNLOAD EXAMIANS APP