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  • Match the corresponding entries of column 1 with column 2 [where m is the magnification produced by the mirror]

Match the corresponding entries of column 1 with column 2 [where m is the magnification produced by the mirror]

Column 1

Column 2

(A)    m = -2

(a) Convex mirror
(B)    \text{m} = - \frac{1} {2}

(b) Concave mirror
(C)    m = +2

(c) Real image
(D)    \text{m} = + \frac{1} {2}

(d) Virtual image
Option: 1

A \rightarrow b and c; B \rightarrow b and c; C \rightarrow b and d; D \rightarrow a and d


Option: 2

A \rightarrow a and c; B \rightarrow a and d; C \rightarrow a and b; D \rightarrow c and d


Option: 3

A \rightarrow a and d; B \rightarrow b and c; C \rightarrow b and d; D \rightarrow b and c


Option: 4

A \rightarrow c and d; B \rightarrow b and d; C \rightarrow b and c; D \rightarrow a and d


Answers (1)

best_answer

A->b and C

B->b and C

C-> b and d

D->a and d

Magnification in the mirror, m = -v/u

m=-2 ⇒ v = 2u As v and a have same signs so the mirror is concave and image formed is real.

m = -1/2 ⇒ v = u/2 ⇒ concave mirror and real lmage.

m= +2 ⇒ v = -2u

As v and u have different signs but magnification is 2 so the mirror is concave and image formed is virtual.

m =+1/2 ⇒ v = -u/2

As v and u have different signs with magnification (1/2) so the mirror is convex and image formed is virtual.

Posted by

Gautam harsolia

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