Physics Why is it difficult to breathe at higher altitudes? Due to ozone Due to low temperature Due to low air pressure Due to high humidity Due to ozone Due to low temperature Due to low air pressure Due to high humidity ANSWER DOWNLOAD EXAMIANS APP
Physics The lift of an aeroplane is caused by Bernouli's theorem Theorem of continuity Pascel's law Law of gravitation Bernouli's theorem Theorem of continuity Pascel's law Law of gravitation ANSWER DOWNLOAD EXAMIANS APP
Physics A boat will submerge when it displaces water equal to its own: Volume Density Surface area Weight Volume Density Surface area Weight ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following devices can be used to detect radiant heat ? Thermopile Six's maximum and minimum thermometer Liquid thermometer Constant volume air thermometer Thermopile Six's maximum and minimum thermometer Liquid thermometer Constant volume air thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? Any of them may reach greater height The heavier mass will reach greater height Both will reach the same height The lighter mass will reach greater height Any of them may reach greater height The heavier mass will reach greater height Both will reach the same height The lighter mass will reach greater height ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1pa = C2pg C1 = C2 C1>C2 C2>C1 C1pa = C2pg C1 = C2 C1>C2 C2>C1 ANSWER DOWNLOAD EXAMIANS APP