If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Physics Chapterwise. In this article of AKVTutorials, you will get MCQ Questions for Class 12 Physics Chapter 9 Ray Optics & Optical Instruments with Answer Keys.
MCQ Questions for Class 12 Physics Chapter 9 Question No 1:
Which mirror always producers a virtual image of small size?
Option A : Concave
Option B : Convex
Option C : Plane
Option D : None of these
Show/Hide Answer
Option B : Convex
MCQ Questions for Class 12 Physics Chapter 9 Question No 2:
A concave mirror of focus length 20cm in air, dipped into water (Refractive index= 4/3). What will be the focal length of mirror in water?
Option A : 10cm
Option B : 40/3 cm
Option C : 7.5 cm
Option D : 20 cm
Show/Hide Answer
Option D : 20 cm
MCQ Questions for Class 12 Physics Chapter 9 Question No 3:
Two plane mirror are kept at an angle of 600 . How many images are seen?
Option A : 5
Option B : 6
Option C : 10
Option D : 12
Show/Hide Answer
Option A : 5
MCQ Questions for Class 12 Physics Chapter 9 Question No 4:
Two plane mirrors are at 900. A person combs his hair by keeping comb in his right hand. In how many images he is seen with comb in right hand?
Option A : 1
Option B : 2
Option C : 3
Option D : none of above
Show/Hide Answer
Option A : 1
MCQ Questions for Class 12 Physics Chapter 9 Question No 5:
An object is placed at a distance of 27 cm from focus of a concave mirror of focal length f. Real image is formed at a distance of 3 cm from the focus value of f will be:
Option A : 9 cm
Option B : 2.7 cm
Option C : 6 cm
Option D : 18 cm
Show/Hide Answer
Option A : 9 cm
MCQ Questions for Class 12 Physics Chapter 9 Question No 6:
In which of the following mirrors magnification m=1 is not possible?
Option A : Concave
Option B : Convex
Option C : Plane
Option D : Concave and Convex both
Show/Hide Answer
Option B : Convex
MCQ Questions for Class 12 Physics Chapter 9 Question No 7:
Three adjacent surfaces of a room (two surfaces and roof) are made plane mirrors. How many images a person can see of himself?
Option A : 9
Option B : 7
Option C : 6
Option D : 3
Show/Hide Answer
Option B : 7
MCQ Questions for Class 12 Physics Chapter 9 Question No 8:
Where should be the angle between two plane mirrors so that whatever be the angle of incidence, the incident ray and the reflected ray from the two mirrors be parallel to each other:
Option A : 900
Option B : 600
Option C : 450
Option D : 300
Show/Hide Answer
Option A : 900
MCQ Questions for Class 12 Physics Chapter 9 Question No 9:
A ray length of light incidents on a plane mirror at angle of 300. The deviation produced in the ray is:
Option A : 1500
Option B : 1200
Option C : 600
Option D : 300
Show/Hide Answer
Option B : 1200
MCQ Questions for Class 12 Physics Chapter 9 Question No 10:
If an observer is walking away from the plane mirror with 6 m/s. Then the velocity of the image with respect to observer will be:
Option A : 6 m/s
Option B : 3 m/s
Option C : 12 m/s
Option D : Zero
Show/Hide Answer
Option C : 12 m/s
| CBSE Class 12 Physics Chapterwise MCQ |
|---|
| 1 : Electric Charge & Fields MCQs | 1 to 10 | 11 to 20 |
| 2 : Electrostatics Potential and Capacitance MCQs | 1 to 10 | 11 to 20 |
| 3 : Current Electricity MCQs | 1 to 10 | 11 to 20 |
| 4 : Moving charges and Magnetism MCQs | 1 to 10 | 11 to 20 |
| 5 : Magnetism and Matter MCQs | 1 to 10 | 11 to 20 |
| 6 : Electromagnetic Induction MCQs | 1 to 10 | 11 to 20 |
| 7 : Alternating Current MCQs | 1 to 10 | 11 to 20 |
| 8 : Electromagnetic Waves MCQs | 1 to 10 | 11 to 20 |
| 9 : Ray Optics and Optical Instruments MCQs | 1 to 10 | 11 to 20 |
| 10 : Wave Optics MCQs | 1 to 10 | 11 to 20 |
| 11 : Dual Nature of Radiation MCQs | 1 to 10 | 11 to 20 |
| 12 : Atoms MCQs | 1 to 10 | 11 to 20 |
| 13 : Nuclei MCQs | 1 to 10 | 11 to 20 |
| 14 : Semi Conductor Electronics MCQs | 1 to 10 | 11 to 20 |
| 15 : Communication Systems MCQs | 1 to 10 | 11 to 20 |
