Physics Every hot object emits ________ X–rays Visible light Infrared rays Ultraviolet rays X–rays Visible light Infrared rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become One–fourth Half Double Four times One–fourth Half Double Four times ANSWER DOWNLOAD EXAMIANS APP
Physics An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of : 2750 J 110 J 275 J 110 J 2750 J 110 J 275 J 110 J ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Reflection of light by atmosphere Scattering of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere Reflection of light by atmosphere Scattering of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of sound aircraft spacecraft ships sound aircraft spacecraft ships ANSWER DOWNLOAD EXAMIANS APP
Physics Eclipses occur due to which optical phenomena? Refraction Reflection Diffraction Rectilinear propagation Refraction Reflection Diffraction Rectilinear propagation ANSWER DOWNLOAD EXAMIANS APP
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