Top Posters
Since Sunday
I
3
p
2
w
2
y
2
J
2
Q
2
r
2
o
2
e
2
j
2
d
2
T
2
New Topic  
symbo symbo
wrote...
Posts: 1970
Rep: 2 0
7 years ago
What is the main optical element of a refracting telescope?
   A)  A plane (flat) mirror    B)  A curved mirror    C)  A prism    D)  A lens
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 137 times
2 Replies
Replies
Answer verified by a subject expert
discovererdiscoverer
wrote...
Top Poster
Posts: 1374
7 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

symbo Author
wrote...
7 years ago
Very informative, I appreciate the extra effort
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1804 People Browsing
Related Images
  
 4523
  
 834
  
 157
Your Opinion
What's your favorite coffee beverage?
Votes: 305