1)why does light slow down in a denser medium?if there`s some kind of force then it should constantly de-accelerate which doesn`t happen so why does it slow down?
2)why does a candle extinguish when air(even hot) is blown?because necessary conditions for combustion includes oxygen,required temp.,fuel and when air is blown all the conditions are still there.
1)why does light slow down in a denser medium?if there`s some kind of force then it should constantly de-accelerate which doesn`t happen so why does it slow down?
2)why does a candle extinguish when air(even hot) is blown?because necessary conditions for combustion includes oxygen,required temp.,fuel and when air is blown all the conditions are still there.










