Physics The Laser is a beam of radiations which are Non-coherent and non-monochromatic Coherent and non-monochromatic Non-coherent and monochromatic Coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic Non-coherent and monochromatic Coherent and monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel in Glass Hydrogen gas Water Vacuum Glass Hydrogen gas Water Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : X-ray photos CAT scans Endoscopy Ultrasound scans X-ray photos CAT scans Endoscopy Ultrasound scans ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid Newton /m2 Joule/ mm Electron volt /cm2 None of these Newton /m2 Joule/ mm Electron volt /cm2 None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Scattering Interference Reflection Refraction Scattering Interference Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
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