Physics Which best describes how air moves during convection? Air always falls down Cool air is replaced by warm air Cool air falls down Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down Warm air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics A gas thermometer is more sensitive than a liquid thermometer because a gas : Is lighter than liquid Expands more than a liquid Does not change state easily Is easy to obtain Is lighter than liquid Expands more than a liquid Does not change state easily Is easy to obtain ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Shining white Rough black Rough white Shining black Shining white Rough black Rough white Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics While catching a ball, a player pulls down his hands to lower the– Catching time Force Momentum Impulse Catching time Force Momentum Impulse ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Joule is Equal to 10^5 ergs 10^7 ergs 10^6 ergs 10^3 ergs 10^5 ergs 10^7 ergs 10^6 ergs 10^3 ergs ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance ANSWER DOWNLOAD EXAMIANS APP
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