[单选题]
You have available lenses of focal lengths 2.0 cm, 4.0 cm, 8.0 cm qco*o8c6 :d*-y1y avbo)yhep, apa,cu sc4vm,c(* k* s(h0b ;qk2xvnfand 16.0 cm. If you were to use any two of these lenses to buildu((ckc *2kqb 0 a*n4 asx,vmpsvf ,c;h a telescope, what is the maximum magnification you could achieve?
Post time 2024-1-26 22:03:25