The magnification of a specimen viewed with a compound light microscope that has an objective power of 40x and an ocular lens power of 10x would be 400x times its original size.
Explanation:
Microscopes function as a multiplier that magnifies the image a certain number of times considering the objective multiplied by the lens power. So, in our case, we have an objective of 40 times the natural size and 10 times the lens power. Therefore, we would multiply the power of both combined to achieve a 400x times visualization size of the element under the combination of magnifying elements in his microscope.
