Physics Which of the following occurred first ? Guglielmo Marconi sent out the first wireless signals Albert Einstein propounded the General Theory of Relativity Wright Brothers successfully flew an aircraft Max Planck unveiled the Quantum Theory Guglielmo Marconi sent out the first wireless signals Albert Einstein propounded the General Theory of Relativity Wright Brothers successfully flew an aircraft Max Planck unveiled the Quantum Theory ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon varies directly with its Speed Frequency None of these Wave length Speed Frequency None of these Wave length ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following property of sound is affected by change in air temperature? Amplitude Wavelength Frequency Intensity Amplitude Wavelength Frequency Intensity ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted Due to refraction In a straight line path In a curved path Due to total internal reflection Due to refraction In a straight line path In a curved path Due to total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics In MRI machine, which one of the following is used? Magnetic wave X-ray Ultra-sound wave Sound wave Magnetic wave X-ray Ultra-sound wave Sound wave ANSWER DOWNLOAD EXAMIANS APP
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