Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Chlorine Ozone Ammonia Carbon dioxide Chlorine Ozone Ammonia ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in Fahrenheit) pure water freezes? 48 32 37 48 32 37 ANSWER DOWNLOAD EXAMIANS APP
Physics Refrigeration is a process which Plasmolyses the bacteria Kills bacteria Slows down the bacterial growth Inactivates the bacteria Plasmolyses the bacteria Kills bacteria Slows down the bacterial growth Inactivates the bacteria ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Ionosphere Mesosphere Stratosphere Exosphere Ionosphere Mesosphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Amplifier Conductor Rectifier Oscillator Amplifier Conductor Rectifier Oscillator ANSWER DOWNLOAD EXAMIANS APP
Physics A NOT gate can be implemented by: A single resistor A single diode A single transistor Two diodes A single resistor A single diode A single transistor Two diodes ANSWER DOWNLOAD EXAMIANS APP
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