A blue light is shining on an object. A second beam of light is then turned on, and the object is now lit by white light. What color is the second light?

What happens to an isotope during radioactive decay?

You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal