no b/c they are a different format
Yes
Yes
Yes, but Blu-Rays will not work on DVD players
No. Blu-Rays will only work on a Blu-Ray player, but they can play DVDs as well
Blu-Ray discs DO NOT play on DVD players. They will only play on Blu-Ray players
Yes
No it cannot. Dvd are a different format than a blue ray DVD
Yes, Blu Ray dvd players do play regular dvds, but, unfortunately, if you want HD then you cannot play it on the Blu Ray. So you can be limited on choices.
no only on a Blue ray player
Blu-Ray discs will NOT work on DVD players.
No, you can't play blu-ray discs on a DVD player. You can however play DVDs with a blu-ray player.
Not really but the disc won't play on a DVD player anyway
A Blu ray player will play a standard DVD (as long as the region code is compatible). You should check your Blu ray player for upscaling capability (with upscaling, the Blu ray player will deliver the highest possible quality even from standard DVD's - otherwise you will only get full performance from Blu ray discs).