Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 20 minutes You cannot hear the sound of explosion 2 hours 20 minutes 3.7 hours 20 minutes You cannot hear the sound of explosion 2 hours 20 minutes 3.7 hours ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.016 0.008 1000 2000 0.016 0.008 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? 273 40 –40 –273 273 40 –40 –273 ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Convection Radiation Insulation Conduction Convection Radiation Insulation Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics A liquid disturbed by stirring comes to rest due to Density Viscosity Centripetal force Surface tension Density Viscosity Centripetal force Surface tension ANSWER DOWNLOAD EXAMIANS APP
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