Question Type
Mutliple choice question
Question
How many interlaced fields per second do we get in NTSC video?
Answer
No
24
No
29.97
No
30
Yes
60
Old Node ID
4009
Answer Json
{answers:[{answer:24,img:},{answer:29.97,img:},{answer:30,img:},{answer:60,img:}],correct:4}
Old Lesson reference ID
1295