A) \[(n-1)f\] done clear
B) \[\left( \frac{n-1}{n} \right)f\] done clear
C) \[\left( \frac{n+1}{n} \right)f\] done clear
D) \[(n+1)f\] done clear
View Solution play_arrowquestion_answer2) A diminished virtual image can be formed only in [MP PMT 2002]
A) Plane mirror done clear
B) A concave mirror done clear
C) A convex mirror done clear
D) Concave-parabolic mirror done clear
View Solution play_arrowquestion_answer3) Which of the following could not produce a virtual image
A) Plane mirror done clear
B) Convex mirror done clear
C) Concave mirror done clear
D) All the above can produce a virtual image done clear
View Solution play_arrowA) \[0.11cm\] done clear
B) \[0.50cm\] done clear
C) \[0.55cm\] done clear
D) \[0.60cm\] done clear
View Solution play_arrowA) 75 cm done clear
B) 72 cm done clear
C) 63 cm done clear
D) 50 cm done clear
View Solution play_arrowA) \[2.3cm\] done clear
B) \[1.78cm\] done clear
C) \[1cm\] done clear
D) \[0.8cm\] done clear
View Solution play_arrowquestion_answer7) The field of view is maximum for
A) Plane mirror done clear
B) Concave mirror done clear
C) Convex mirror done clear
D) Cylindrical mirror done clear
View Solution play_arrowA) \[\frac{f+x}{f}\] done clear
B) \[\frac{f}{x}\] done clear
C) \[\sqrt{\frac{f}{x}}\] done clear
D) \[\frac{{{f}^{2}}}{{{x}^{2}}}\] done clear
View Solution play_arrowquestion_answer9) Image formed by a convex mirror is [MP PET 1993]
A) Virtual done clear
B) Real done clear
C) Enlarged done clear
D) Inverted done clear
View Solution play_arrowA) \[{{x}_{1}}{{x}_{2}}\] done clear
B) \[\sqrt{{{x}_{1}}{{x}_{2}}}\] done clear
C) \[\frac{{{x}_{1}}+{{x}_{2}}}{2}\] done clear
D) \[\sqrt{\frac{{{x}_{1}}}{{{x}_{2}}}}\] done clear
View Solution play_arrowA) The image lies between the pole and the focus done clear
B) The image is diminished in size done clear
C) The image is erect done clear
D) The image is real done clear
View Solution play_arrowA) Convex mirror done clear
B) Concave mirror done clear
C) Concave lens done clear
D) Two plane mirrors inclined at an angle of \[90{}^\circ \] done clear
View Solution play_arrowA) \[30cm\] done clear
B) \[90cm\] done clear
C) \[120cm\] done clear
D) \[60cm\] done clear
View Solution play_arrowA) Plane mirror done clear
B) Convex mirror done clear
C) Concave mirror done clear
D) Plano-convex mirror done clear
View Solution play_arrowA) Plane mirror done clear
B) Convex mirror done clear
C) Concave mirror done clear
D) None of these done clear
View Solution play_arrowquestion_answer16) Which one of the following statements is true
A) An object situated at the principle focus of a concave lens will have its image formed at infinity done clear
B) Concave mirror can give diminished virtual image done clear
C) Given a point source of light, a convex mirror can produce a parallel beam of light done clear
D) The virtual image formed in a plane mirror can be photographed done clear
View Solution play_arrowA) \[m=\frac{f-u}{f}\] done clear
B) \[m=\frac{f}{f-u}\] done clear
C) \[m=\frac{f+u}{f}\] done clear
D) \[m=\frac{f}{f+u}\] done clear
View Solution play_arrowquestion_answer18) While using an electric bulb, the reflection for street lighting should be from
A) Concave mirror done clear
B) Convex mirror done clear
C) Cylindrical mirror done clear
D) Parabolic mirror done clear
View Solution play_arrowA) \[8cm\] done clear
B) \[12cm\] done clear
C) \[80cm\] done clear
D) \[120cm\] done clear
View Solution play_arrowquestion_answer20) A virtual image larger than the object can be obtained by [MP PMT 1986]
A) Concave mirror done clear
B) Convex mirror done clear
C) Plane mirror done clear
D) Concave lens done clear
View Solution play_arrowA) Real, inverted and same in size done clear
B) Real, inverted and smaller done clear
C) Virtual, erect and larger done clear
D) Virtual, erect and smaller done clear
View Solution play_arrowA) \[5cm\] done clear
B) \[12cm\] done clear
C) \[10cm\] done clear
D) \[20cm\] done clear
View Solution play_arrowA) \[60cm\] done clear
B) \[20cm\] done clear
C) \[40cm\] done clear
D) \[30cm\] done clear
View Solution play_arrowquestion_answer24) All of the following statements are correct except [Manipal MEE 1995]
A) The magnification produced by a convex mirror is always less than one done clear
B) A virtual, erect, same-sized image can be obtained using a plane mirror done clear
C) A virtual, erect, magnified image can be formed using a concave mirror done clear
D) A real, inverted, same-sized image can be formed using a convex mirror done clear
View Solution play_arrowA) Diminished, upright, virtual done clear
B) Enlarged, upright, virtual done clear
C) Diminished, inverted, real done clear
D) Enlarged, upright, real done clear
View Solution play_arrowA) Convex lens done clear
B) Concave lens done clear
C) Convex mirror done clear
D) Concave mirror done clear
View Solution play_arrowA) Infinity done clear
B) \[f\] done clear
C) \[f/2\] done clear
D) \[2f\] done clear
View Solution play_arrowA) Convex mirror of radius of curvature \[12cm\] done clear
B) Concave mirror of radius of curvature \[12cm\] done clear
C) Concave mirror of radius of curvature \[4cm\] done clear
D) Plane mirror of height \[12cm\] done clear
View Solution play_arrow| List I (Position of the object) | List II (Magnification) |
| (I) An object is placed at focus before a convex mirror | (A) Magnification is \[-\,\,\infty \] |
| (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 \[0.33\] |
A) I-B, II-D, III-A, IV-E done clear
B) I-A, II-D, III-C, IV-B done clear
C) I-C, II-B, III-A, IV-E done clear
D) I-B, II-E, III-D, IV-C done clear
View Solution play_arrowA) \[10cm\] done clear
B) \[15cm\] done clear
C) \[20cm\] done clear
D) \[30cm\] done clear
View Solution play_arrowA) f done clear
B) 2f done clear
C) 4f done clear
D) Zero done clear
View Solution play_arrowA) Real and at \[20\,cm\] from the mirror done clear
B) Virtual and at \[20\,cm\] from the mirror done clear
C) Virtual and at \[20/3\,cm\] from the mirror done clear
D) Real and at \[20/3\,cm\] from the mirror done clear
View Solution play_arrowA) \[0.4cm\] away from the mirror done clear
B) \[0.4cm\]towards the mirror done clear
C) \[0.8cm\] away from the mirror done clear
D) \[0.8cm\] towards the mirror done clear
View Solution play_arrowA) Only when 2f > u > f done clear
B) Only when u = f done clear
C) Only when u < f done clear
D) Always done clear
View Solution play_arrowA) 10 cm done clear
B) 20 cm done clear
C) 30 cm done clear
D) 40 cm done clear
View Solution play_arrowA) 22.5 cm done clear
B) 7.5 cm done clear
C) 30 cm done clear
D) 45 cm done clear
View Solution play_arrowA) Infinity done clear
B) Focus done clear
C) Pole done clear
D) 15 cm behind the mirror done clear
View Solution play_arrowA) 9.2 cm done clear
B) 10.5 cm done clear
C) 5.6 cm done clear
D) 7.5 cm done clear
View Solution play_arrowA) Plane mirror done clear
B) Concave lens done clear
C) Convex mirror done clear
D) Concave mirror done clear
View Solution play_arrowA) 2 cm done clear
B) 12 cm done clear
C) 4 cm done clear
D) 1.2 cm done clear
View Solution play_arrowquestion_answer41) Convergence of concave mirror can be decreased by dipping in [AFMC 2003]
A) Water done clear
B) Oil done clear
C) Both done clear
D) None of these done clear
View Solution play_arrowA) 20 mm done clear
B) 10 mm done clear
C) 6 mm done clear
D) 1 mm done clear
View Solution play_arrowA) - 4 cm done clear
B) 8 cm done clear
C) 6 cm done clear
D) 12 cm done clear
View Solution play_arrowA) \[f\] done clear
B) \[\frac{4}{3}\]\[f\] done clear
C) \[\frac{3}{4}f\] done clear
D) \[\frac{7}{3}\]\[f\] done clear
View Solution play_arrow
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