Physics The frequency used in TV and radar system lies in SHF VHF HF UHF SHF VHF HF UHF ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to The infra-red rays X-rays G-rays The ultraviolet rays The infra-red rays X-rays G-rays The ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes Neutron Negative ion None of these Positive ion Neutron Negative ion None of these Positive ion ANSWER DOWNLOAD EXAMIANS APP
Physics What is found in frequency modulation ? Change in dimension only Fixed dimension Change in frequency and dimension Fixed frequency Change in dimension only Fixed dimension Change in frequency and dimension Fixed frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Zero gravity Inertia None of these Acceleration Zero gravity Inertia None of these Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Work with reduced efficiency Work as efficiently as on the earth Not work at all Work with increased efficiency Work with reduced efficiency Work as efficiently as on the earth Not work at all Work with increased efficiency ANSWER DOWNLOAD EXAMIANS APP
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