Với một bức xạ có bước sóng thích hợp thì cường độ dòng quang điện bão hòa:

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  “I have to take a taxi home from the party last night.” “Oh, that’s too bad. You __________ in my car.”
   

• Choose the best answer for the following sentence:

  “Do you think it'll snow much longer?”

  “It _________ to end soon.”
   

• Choose the best answer for the following sentence:

  “Did you want me to give a message to David?”

  “Yes, would he pleas _____________ some bread at the store?”
   

• Choose the best answer for the following sentence:

  “Do you think the performers will be on time?”

  ''I don’t know yet. __________.''
   

• Choose the best answer for the following sentence:

  “Why are you so mad?”

  “You __________ me you weren’t coming to dinner. I waited for you for two hours.”
   

• Choose the best answer for the following sentence:

  “Why didn’t you come to yoga classes last night?”

  “Because I ___________ for my sister until 9.30.”
   

• Choose the best answer for the following sentence:

  “Mary, will you be at the party tonight?”

  “Yes, but I have so much homework to do that I really __________.”
   

• Choose the best answer for the following sentence:

  “What time do you expect your parents?”

  “They _________ come round 4.00.”
  
  

• Choose the best answer for the following sentence:

  “Have you seen Anita?”

  “She wasn’t feeling well. __________ gone home?”
   

• Choose the best answer for the following sentence:

  “Why are you putting on your coat?”

  “I ____________ go. It’s getting late.”