Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron ANSWER DOWNLOAD EXAMIANS APP
Physics Supercooling is cooling of liquid ________ At melting point Below freezing point Below melting point Above melting point At melting point Below freezing point Below melting point Above melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following produces more severe burns ? Hot water Melting iceberg Boiling water Steam Hot water Melting iceberg Boiling water Steam ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Nuclear fusion Nuclear fission Artificial radioactivity Radioactivity Nuclear fusion Nuclear fission Artificial radioactivity Radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics Which Color has the Longest Wavelength? Violet Yellow Red White Violet Yellow Red White ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Wind mill grinding wheat grain Rowing a boat in the lake Paddling the bicycle to cover a distance Driving a car to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Paddling the bicycle to cover a distance Driving a car to cover a distance ANSWER DOWNLOAD EXAMIANS APP
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