Physics The ordinary and maximum tolerance limit of sound by human being is 60 db to 80 db (decibel) 50 db to 70 db (decibel) 65 db to 75 db (decibel) 70 db to 85 db (decibel) 60 db to 80 db (decibel) 50 db to 70 db (decibel) 65 db to 75 db (decibel) 70 db to 85 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Viscosity Density Elasticity Porosity Viscosity Density Elasticity Porosity ANSWER DOWNLOAD EXAMIANS APP
Physics Which is evidence that supports the dynamo theory? Earth's outer core contains liquid that conducts electricity Convection occurs in Earth's inner core Granite and basalt conduct electricity Earth's core contains a large amount of iron Earth's outer core contains liquid that conducts electricity Convection occurs in Earth's inner core Granite and basalt conduct electricity Earth's core contains a large amount of iron ANSWER DOWNLOAD EXAMIANS APP
Physics The redness in atmosphere at Sunrise and Sunset is due to : Reflection of light Scattering of light Refraction of light Dispersion of light Reflection of light Scattering of light Refraction of light Dispersion of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of radiation has the lowest penetrating ability? All of these Alpha Beta Gamma All of these Alpha Beta Gamma ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It becomes very hard It has a high latent heat of fusion It reflects most of the heat from the sun It has a low specific heat capacity It becomes very hard It has a high latent heat of fusion It reflects most of the heat from the sun It has a low specific heat capacity ANSWER DOWNLOAD EXAMIANS APP
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