Physics Infrasonic sound has a frequency lower than 20 Hz 32 Hz 5 Hz 15 Hz 20 Hz 32 Hz 5 Hz 15 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Energy per unit volume is dimensionally equal to Density Force Pressure Work Density Force Pressure Work ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Refraction Propagation No option is correct Diffraction Refraction Propagation No option is correct Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Speed Medium Source Amplitude Speed Medium Source Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV < lIR < lVIS LUV > lVIS > lIR LUV < lVIS < lIR LUV > lIR > lVIS LUV < lIR < lVIS LUV > lVIS > lIR LUV < lVIS < lIR LUV > lIR > lVIS ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following causes adiabatic temperature changes in atmosphere? Deflection and advection Latent heat of condensation Expansion and compression of the air Partial absorption of solar radiation by the atmosphere Deflection and advection Latent heat of condensation Expansion and compression of the air Partial absorption of solar radiation by the atmosphere ANSWER DOWNLOAD EXAMIANS APP
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