Physics Which one among the following is not an electromagnetic wave? R-Ray X-Ray Cathode Ray Infrared Ray R-Ray X-Ray Cathode Ray Infrared Ray ANSWER DOWNLOAD EXAMIANS APP
Physics The reflector of a search light is a : Plane mirror Concave mirror Convex mirror Cylindrical mirror Plane mirror Concave mirror Convex mirror Cylindrical mirror ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 3900 A° – 7600 A° 7800 A° – 8000 A° 1300 A°–3000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 1300 A°–3000 A° 8500 A° – 9800 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave black hole theory? Albert Einstein Stephen Hawking None of these Isaac Newton Albert Einstein Stephen Hawking None of these Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics The flux commonly used in brazing is Zinc chloride Resin plus alcohol Borax Ammonium chloride Zinc chloride Resin plus alcohol Borax Ammonium chloride ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature do the Fahrenheit and Celsius scales give the same reading? 0 degreees -40 degreees 212 degrees 32 degreees 0 degreees -40 degreees 212 degrees 32 degreees ANSWER DOWNLOAD EXAMIANS APP
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