October 2018 1 57 Report

Oblicz energie kinetyczną wybijanych elektronów jeżeli płytkę oświetlamy światłem o długości 500 nm, jezeli zjawisko fotoelektryczne zachodzi przy oświetlaniu płytki światłem o dlugości 600 nm.

Prosze o szybką odpowiedź. :)


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Uzupełnij zdania odpowiednimi wyrazami. Pierwsze litery tych wyrazów zostały podane.1. I couldn't see inside the flat because the c______ were drawn.2. There's no bath in the bathroom, only a sh______.3. I need a really big new w_____ - the old one is too small for all my clothes.4. I like sitting in a comfortable a______ in frontof a fire.5. We've got a new electric c______ in the kitchen. It's safer than the old gas one.6. We live on the tenth floor of a t______ block.7. His grandparents live in a lovely c______ in the countryside.8. They've got a s_____ -d_______ house and they keep arguing with their neighbours. 9. The flat has recently been renovated. It's in very good c_____ .10. The flat is fully f______, so you won't have to buy any furniture.11. She's got a comfortable , r_____flat; there's a lot of space.12. The flat is very conveniently l_______, close to shops and public transport.13. Living in a tourist r______ can be tiring - there are always tourists around.14. The centre is too noisy for me, I prefer to live in the s_______ .15. It is no fair to let your mother do all the h______: cleaning, washing up, ironing and on.16. When you live on your own, you have to pay the r_____ .17. Our telephone b_____ for last month is enormous - there must be a mistake.18. Jenny and here sister sh______ a room which is not really big enought for the two of them.19. Did you remember to l______ the door?20. We've got the keys to our new flat! We can m_____ in next week!Prosze o szybką odpowiedz. Pilne
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