Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter Expands It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter Expands ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It has a very high transparency It is very hard It has well defined cleavage planes It has a very high refractive index It has a very high transparency It is very hard It has well defined cleavage planes It has a very high refractive index ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in HF VHF SHF UHF HF VHF SHF UHF ANSWER DOWNLOAD EXAMIANS APP
Physics An athlete runs before long jump to get advantage on Inertia of motion Moment of a force Principle of moments Frictional force Inertia of motion Moment of a force Principle of moments Frictional force ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Nuclear fusion Radioactivity Artificial radioactivity Nuclear fission Nuclear fusion Radioactivity Artificial radioactivity Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnetic waves are transverse in nature is evident by Polarisation Diffraction Interference Reflection Polarisation Diffraction Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
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