the focal length of a convex lens of glass (n=1.5) in air is 20cm. what will be the focal lenght of this lens on immersing it in water (n=4/3)​

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

double the distance = divide strength by 4

i just did an experiment like this in my science class. also the answer is yes, it will get separated because they are two opposites meaning if they are opposite they can not attract.

hope this .!

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.