Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Megasonics Infrasonics Audible sounds Ultrasonics Megasonics Infrasonics Audible sounds Ultrasonics ANSWER DOWNLOAD EXAMIANS APP
Physics The wave theory of light can explain Interference of light Comptom effect Black body spectrum Photoelectric effect Interference of light Comptom effect Black body spectrum Photoelectric effect ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can neither be created nor destroyed Energy can either be created or destroyed Energy can either be created nor destroyed Energy can neither be created or destroyed Energy can neither be created nor destroyed Energy can either be created or destroyed Energy can either be created nor destroyed Energy can neither be created or destroyed ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the lowest frequency? Gamma rays Xrays Visible light Ultra violet rays Gamma rays Xrays Visible light Ultra violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Pycnometer is an instrument used to measure the High temperatures Intensity of earthquake Intensity of solar radiation Density High temperatures Intensity of earthquake Intensity of solar radiation Density ANSWER DOWNLOAD EXAMIANS APP
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