Physics Why is it difficult to breathe at higher altitudes? Due to low air pressure Due to high humidity Due to ozone Due to low temperature Due to low air pressure Due to high humidity Due to ozone Due to low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Diffraction of light Total internal reflection by layers of air Reflection by hot ground Interference of light Diffraction of light Total internal reflection by layers of air Reflection by hot ground Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics Water is not suitable as a calorimetric substance because it : Is a good conductor Has high specific heat Has high boiling point Low latent heat of vapourization Is a good conductor Has high specific heat Has high boiling point Low latent heat of vapourization ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Fan cools the air Fan supplies cool air Conductivity of air increases Our perspiration eva-porates rapidly Fan cools the air Fan supplies cool air Conductivity of air increases Our perspiration eva-porates rapidly ANSWER DOWNLOAD EXAMIANS APP
Physics Negative acceleration is in the opposite direction of: Distance Momentum Force Velocity Distance Momentum Force Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics When an unbalanced force acts on an object Causes change in motion of the object The speed & direction of the object will change All of these Causes the object to move Causes change in motion of the object The speed & direction of the object will change All of these Causes the object to move ANSWER DOWNLOAD EXAMIANS APP
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