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Ray Optics — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsRay Optics1 Mark
Question

Match List I with List II and select the correct answer using the codes given below the lists :

List I

(Position of the object)

List II

(Magnification)

(I) An object is placed at focus before a convex mirror

(A) Magnification is -∞

(II) An object is placed at centre of curvature before a concave mirror

(B) Magnification is 0.5

(III) An object is placed at focus before a concave mirror

(C) Magnification is +1

(IV) An object is placed at centre of curvature before a convex mirror

(D) Magnification is  -1

 

(E) Magnification is 0.33

Codes :

(a) I-B, II-D, III-A, IV-E

(b) I-A, II-D, III-C, IV-B

(c) I-C, II-B, III-A, IV-E

(d) I-B, II-E, III-D, IV-C
✓

Answer

(a) I-B, II-D, III-A, IV-E

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