Physics Lightning is produced when Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Water vapour produces electricity in the clouds ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Infra-red radiation Gamma radiation Microwave radiation Ultra-violet radiation Infra-red radiation Gamma radiation Microwave radiation Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is an ohmic conductor? Silver Silicon Germanium Carbon Silver Silicon Germanium Carbon ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? None of these X-ray tube Coolidge tube Roentgen None of these X-ray tube Coolidge tube Roentgen ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? Pulsars Quartz clocks Atomic clocks White dwarfs Pulsars Quartz clocks Atomic clocks White dwarfs ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is due to Combustion reactions Fission reactions Chemical reactions Fusion reactions Combustion reactions Fission reactions Chemical reactions Fusion reactions ANSWER DOWNLOAD EXAMIANS APP
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