Recent content by doubledouble

Mesons are bosons, but are all bosons mesons e.g. intermediate vector bosons (w and z bosons in the weak interaction)?

If the force I need to apply to a block before it starts moving is 10N, and the same force of 10N is continually applied thereafter, will the block accelerate or travel at constant speed (taking into consideration the presence of static and dynamic forces of friction) and why?

If I know that a sample of X has a half-life of 270 years how do I confirm this experimentally? What data would I have to collect? How about if the half-life of X was much shorter i.e. in terms of days?

Could anyone explain why it is that as more slits are added the fringes appear sharper? Thanks

What methods are there to make buffer solutions? Could anyone outline them? thanks.

How can the same source of monochromatic light produce 2 waves that are incoherent or coherent for that matter? (Is this even a valid question?) What does coherence really mean beyond the definition of "waves that have a constant phase difference" could anyone clarify this? thanks.