Physics Acceptable noise level for human ear None of these = 85 db < 85 db > 85 db None of these = 85 db < 85 db > 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, None of these It must have constant direction It must have constant speed It must have constant speed in constant direction None of these It must have constant direction It must have constant speed It must have constant speed in constant direction ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Doppler effect Beats Resonance Echo Doppler effect Beats Resonance Echo ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Stratosphere Ionosphere Mesosphere Troposphere Stratosphere Ionosphere Mesosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in electric heater is Nichrome Steel Tungsten Brass Nichrome Steel Tungsten Brass ANSWER DOWNLOAD EXAMIANS APP
Physics The filament of electric bulb is made up of : Lead Copper Nichrome Tungsten Lead Copper Nichrome Tungsten ANSWER DOWNLOAD EXAMIANS APP