Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 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 20 minutes ANSWER DOWNLOAD EXAMIANS APP
Physics Rotameter is used to measure Vortex flow Flow of fluids Velocity of fluid in pipes Density of fluids Vortex flow Flow of fluids Velocity of fluid in pipes Density of fluids ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Air always falls down Warm air falls down Cool air is replaced by warm air Cool air falls down Air always falls down Warm air falls down Cool air is replaced by warm air Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the metals has the maximum thermal conductivity? Aluminium Silver Copper Iron Aluminium Silver Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit visible light radio waves X-rays ultraviolet light visible light radio waves X-rays ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset ANSWER DOWNLOAD EXAMIANS APP
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