(0.5)×(0squared)×(3)=(1.5j)
Answer:

Explanation:
As we know by radioactivity law

so here we will have


now we will have


now we also know that



Answer: True
Explanation:
Mass is the amount of matter in an object. Everything is made up of matter.
the focal length <span> is much more decent for a concave, and also worse</span><span> for a convex mirror. When the image that is given, distance is good and decent, images are always on the same area of the mirror as the object given , and it is not fake. images distance is </span>never positive <span>, the image is on the oppisite side of the mirror, so the image must be virtual.</span>