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| MCQ Questions for Class 12 Physic Chapter 9 Ray Optics and Optical Instruments With Answers PDF |
MCQ Questions for Class 12 Physic Chapter 9 Ray Optics and Optical Instruments With Answers PDF: Multiple Choice Questions (MCQs) are a popular method of testing a student's understanding of a particular subject. They are widely used in school and college exams as they are a quick and efficient way to assess a student's knowledge.
An MCQ Questions for Class 12 Physic Chapter 9 Ray Optics and Optical Instruments consists of a question or statement, followed by several answer options, of which the student must choose the correct one. The answer options are usually presented as a list of possible choices, such as A, B, C or D.
MCQ Questions for Class 12 Physic Chapter 9 Ray Optics and Optical Instruments With Answers PDF
- What is the law of reflection? a) The angle of incidence is equal to the angle of reflection b) The angle of incidence is greater than the angle of reflection c) The angle of incidence is smaller than the angle of reflection d) The angle of incidence is opposite to the angle of reflection
Answer: A
- What is the critical angle of incidence? a) The angle of incidence at which the angle of refraction becomes 90 degrees b) The angle of incidence at which the angle of reflection becomes 90 degrees c) The angle of incidence at which the angle of refraction becomes zero d) The angle of incidence at which the angle of reflection becomes zero
Answer: A
- What is the focal length of a concave mirror? a) The distance between the mirror and the point where the parallel rays converge b) The distance between the mirror and the point where the parallel rays diverge c) The distance between the mirror and the point where the perpendicular rays converge d) The distance between the mirror and the point where the perpendicular rays diverge
Answer: A
- What is the focal length of a convex mirror? a) The distance between the mirror and the point where the parallel rays converge b) The distance between the mirror and the point where the parallel rays diverge c) The distance between the mirror and the point where the perpendicular rays converge d) The distance between the mirror and the point where the perpendicular rays diverge
Answer: B
- What is a magnifying glass? a) A convex lens that is used to increase the size of an object b) A concave lens that is used to decrease the size of an object c) A convex lens that is used to decrease the size of an object d) A concave lens that is used to increase the size of an object
Answer: A
- What is the difference between a real and virtual image? a) A real image is inverted while a virtual image is erect b) A real image can be projected on a screen while a virtual image cannot c) A real image is formed by the actual intersection of rays while a virtual image is formed by the apparent intersection of rays d) A real image is formed by the actual intersection of rays while a virtual image is formed by the actual intersection of rays
Answer: B
- What is the difference between a lens and a mirror? a) A lens is a curved piece of glass or plastic while a mirror is a flat piece of metal or glass b) A lens is used to change the direction of light while a mirror is used to reflect light c) A lens is used to refract light while a mirror is used to reflect light d) A lens is used to magnify objects while a mirror is
Benefits of MCQ Questions for Class 12 Physic Chapter 9 Ray Optics and Optical Instruments
One of the benefits of using MCQ Questions for Class 12 Physic Chapter 9 Ray Optics and Optical Instruments is that they are easy to grade. The correct answer is already provided, so the teacher or exam proctor simply needs to check that the student has chosen the correct option. This makes MCQ Questions for Class 12 Physic Chapter 9 Ray Optics and Optical Instruments more efficient than open-ended questions, which require more time and effort to grade.
Another benefit of MCQ Questions for Class 12 Physic Chapter 9 Ray Optics and Optical Instruments is that they can test a wide range of knowledge, including factual information, concepts, and problem-solving skills. They can also be used to test a student's ability to apply knowledge to new situations, rather than just recall information.
Conclusion of MCQ Questions for Class 12 Physic Chapter 9 Ray Optics and Optical Instruments With Answers PDF
In conclusion, MCQ Questions for Class 12 Physic Chapter 9 Ray Optics and Optical Instruments are a popular method of testing a student's understanding of a particular subject. They are widely used in school and college exams as they are a quick and efficient way to assess a student's knowledge. But to minimize the drawbacks, it is important to write good MCQs and use a variety of question types. They can test a wide range of knowledge, including factual information, concepts, and problem-solving skills, but they should not be the only method of assessment, it's important to use different types of questions to evaluate a student's understanding of a subject.
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