Physics Which one of the following reflects back more sunlight as compared to other three? Land covered with fresh snow Sand desert Paddy crop land Prairie land Land covered with fresh snow Sand desert Paddy crop land Prairie land ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Total internal reflection Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which metal is the best conductor of heat? Silver All of these Copper Gold Silver All of these Copper Gold ANSWER DOWNLOAD EXAMIANS APP
Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? White hole Asteroid belt Ozone hole Black hole White hole Asteroid belt Ozone hole Black hole ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Stainless steel Soft iron Hard steel Mild steel Stainless steel Soft iron Hard steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Four times Double Half One–fourth Four times Double Half One–fourth ANSWER DOWNLOAD EXAMIANS APP
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