Physics Materials for rain-proof coats and tents owe their water-proof properties to specific gravity elasticity surface tension viscosity specific gravity elasticity surface tension viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Attracting a magnetic substance Hysteresis Point in a particular direction Susceptibility independent of temperature Attracting a magnetic substance Hysteresis Point in a particular direction Susceptibility independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of colors Principle of calorimetry Principle of thermal equilibrium Principle of vaporization Principle of colors Principle of calorimetry Principle of thermal equilibrium Principle of vaporization ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A pair of scissors The pulley A ramp A lever A pair of scissors The pulley A ramp A lever ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to low temperature Due to high humidity Due to ozone Due to low air pressure Due to low temperature Due to high humidity Due to ozone Due to low air pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a property of heavy water ? Freezing point of heavy water is higher than that of ordinary water Density of heavy water is higher than that of ordinary water It produces corrosion Boiling point of heavy water is lower than that or ordinary water Freezing point of heavy water is higher than that of ordinary water Density of heavy water is higher than that of ordinary water It produces corrosion Boiling point of heavy water is lower than that or ordinary water ANSWER DOWNLOAD EXAMIANS APP