Principal focus : A ray of light from the object, parallel to the principal axis, after refraction from a convex lens, passes through the principal focus on the other side of the lens. • In case of a concave lens, the ray appears to diverge from the principal focus located on the same side of the lens.
Statements: Q © E, S % C, E $ S, C @ A
Conclusions:
I. A © C
II. S % A
III. C © Q
Statement: A ≥ B ≥ C = D > E, F > G = H ≤ C
Conclusion: I. C ≥ F II. F > D
...Statements: S ≥ U < N = A; D > U ≥ C
Conclusions: I. A > D II. C < A
Statements:
M > N = W; J < P = N; Y > P
Conclusions:
I. Y > W
II. M < Y
III. J > M
Statements: T < U = S ≤ O, C > Y ≥ X, T > K = X
Conclusions
I. O > K
II. C < T
III. U > K
Statements: B & T, K ⋆ B, S ⋆ K
Conclusions: a) K ⋆ T b) S # T
...Statement: E < N < Q = W = F ≥ U > A
Conclusion:
I. Q > A
II. E > F
Statements: P < L = O; N = M ≤ J ≤ K; M ≤ L
Conclusions:
I. K ≥ O
II. N ≤ L
III. O ≥ N
Statements: I ≥ J ≤ K = L ≤ M; G ≤ H < I; M ≤ N < O ≥ P
Conclusions:
I. M < H
II. N ≥ J
III. M ≥ H
Statement: H ≥ U < T; C < M; M = T > O
Conclusions:
I. H > O
II. C > U
III. T > C
