Physics Pipelines in cold countries often burst in winter, because Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines expand due to freezing Pipelines contract in their volume Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines expand due to freezing Pipelines contract in their volume ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Ozonosphere Troposphere Stratosphere Ionosphere Ozonosphere Troposphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnet is constructed with which of the following ? Aluminium Steel Soft Iron Nickel Aluminium Steel Soft Iron Nickel ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following reflects back more sunlight as compared to other three? Paddy crop land Land covered with fresh snow Prairie land Sand desert Paddy crop land Land covered with fresh snow Prairie land Sand desert ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Microwave radiation Ultra-violet radiation X-rays Infrared rays Microwave radiation Ultra-violet radiation X-rays Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, Both A & B The wavelength of the electrons must be greater than the diameter of the object. None of these The wavelength of the electrons must be close to the diameter of the object Both A & B The wavelength of the electrons must be greater than the diameter of the object. None of these The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
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