em receivers Flashcards
(3 cards)
1
Q
witch em waves nee the biggest receivers
A
radian waves because they have the biggest frecqwence
2
Q
why do bigger telescopes give a better picher
A
because less diffraction occurs
3
Q
why do we not steel for a lower resleshion in radio waves
A
they would need a receiver the size of the uk to have a good picker