Physics A gap is left between two rails of a railway track to accommodate...... of the metal. Volume expansion Apparent expansion Areal expansion Linear expansion Volume expansion Apparent expansion Areal expansion Linear expansion ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Water expands on freezing Contraction of water pipes High atmospheric pressure Combined effect of all the above three Water expands on freezing Contraction of water pipes High atmospheric pressure Combined effect of all the above three ANSWER DOWNLOAD EXAMIANS APP
Physics Energy of Ultraviolet rays is great than Infrared rays Gamma rays X-rays Cosmic rays Infrared rays Gamma rays X-rays Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Two times No change Four times Half Two times No change Four times Half ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Semi conductors Dielectrics Perfect conductors Superconductors Semi conductors Dielectrics Perfect conductors Superconductors ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because It is a poor conductor of heat External heat rays enter into the body through the woollen cloth It reflects heat It is a good conductor of heat It is a poor conductor of heat External heat rays enter into the body through the woollen cloth It reflects heat It is a good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
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