Match List-I with List-II for convex lens (symbols have their usual meanings)
|
List-I Position of object |
List-II Details of image |
|
(A) at 2F |
(I) m > 1, virtual |
|
(B) at F |
(II) m < 1, real |
|
(C) between lens and F |
(III) m = 1, real |
|
(D) between $∞$ and 2F |
(IV) m >> 1, real |
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 4
The correct answer is Option (3) → (A)-(III), (B)-(IV), (C)-(II), (D)-(I)
|
List-I Position of object |
List-II Details of image |
|
(A) at 2F |
(III) m = 1, real |
|
(B) at F |
(IV) m >> 1, real |
|
(C) between lens and F |
(II) m < 1, real |
|
(D) between $∞$ and 2F |
(I) m > 1, virtual |
(A) Object at 2F
Image forms at 2F on the other side,
$m = 1$, real and inverted
⇒ (III) $m = 1$, real
(B) Object at F
Rays after refraction become parallel,
Image forms at infinity, magnification $m \to \infty$
⇒ (IV) $m \gg 1$, real
(C) Object between lens and F
Image forms on the same side of lens,
Virtual, erect, magnified ($m > 1$)
⇒ (I) $m > 1$, virtual
(D) Object between $\infty$ and 2F
Image forms between F and 2F on the other side,
$m < 1$, real and inverted
⇒ (II) $m < 1$, real