Physics Mach number is used in connection with the speed of ships aircraft spacecraft sound ships aircraft spacecraft sound ANSWER DOWNLOAD EXAMIANS APP
Physics A liquid disturbed by stirring comes to rest due to Viscosity Centripetal force Density Surface tension Viscosity Centripetal force Density Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the Sun reaches the Earth by Conduction Convection Radiation Reflection Conduction Convection Radiation Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics In very cold countries alcohol is used as a thermometric liquid because Alcohol can be coloured for its level to be seen easily It will not stick to the glass tube Alcohol is a poor conductor of heat Its freezing point is very low Alcohol can be coloured for its level to be seen easily It will not stick to the glass tube Alcohol is a poor conductor of heat Its freezing point is very low ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are Negatively charged particles Positively charged particles Neutral particles None of these Negatively charged particles Positively charged particles Neutral particles None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities ANSWER DOWNLOAD EXAMIANS APP
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