Physics Coolis tube is used to produce Radio waves X-rays Micro waves Gama rays Radio waves X-rays Micro waves Gama rays ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Car headlights Driving mirrors Dentists mirros Shaving mirros Car headlights Driving mirrors Dentists mirros Shaving mirros ANSWER DOWNLOAD EXAMIANS APP
Physics A NOT gate can be implemented by: A single transistor A single resistor Two diodes A single diode A single transistor A single resistor Two diodes A single diode ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Troposphere Ionosphere Ozonosphere Stratosphere Troposphere Ionosphere Ozonosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the discovery of ''Expanding Universe"? Niels Bohr V Raman Edwin Hubble S Chandra Shekhar Niels Bohr V Raman Edwin Hubble S Chandra Shekhar ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to ozone Due to low air pressure Due to high humidity Due to low temperature Due to ozone Due to low air pressure Due to high humidity Due to low temperature ANSWER DOWNLOAD EXAMIANS APP
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