Optics MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
Master Optics with Expert Online Physics Exams
Enhance your understanding of Optics with focused online physics exams designed to sharpen your preparation. These resources offer comprehensive insights into basic physics concepts, including light, reflection, refraction, and lens systems. Utilize practice tests and MCQ answers to deepen your grasp of optical principles and phenomena. Focusing on force and motion MDCAT MCQs alongside optics-related practice questions will significantly boost your exam performance.
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The refractive index of a medium is defined as the ratio of the speed of light in:
A. Vacuum to the speed of light in the medium
B. Air to the speed of light in the medium
C. Medium to the speed of light in air
D. Medium to the speed of light in a vacuum
Answer: Vacuum to the speed of light in the medium
In a double-slit experiment, the pattern of light and dark bands is a result of:
A. Interference
B. Diffraction
C. Refraction
D. Dispersion
Answer: Interference
The angle of incidence equals the angle of reflection in:
A. Reflection
B. Refraction
C. Dispersion
D. Diffraction
Answer: Reflection
A lens that converges parallel rays of light to a point is a:
A. Convex lens
B. Concave lens
C. Biconcave lens
D. Planoconcave lens
Answer: Convex lens
The power of a lens is measured in units of:
A. Diopters
B. Meters
C. Watts
D. Joules
Answer: Diopters
The phenomenon where white light splits into its component colors is known as:
A. Dispersion
B. Refraction
C. Reflection
D. Diffraction
Answer: Dispersion
The magnifying power of a lens is the ratio of the:
A. Image size to the object size
B. Object size to the image size
C. Image distance to the object distance
D. Focal length to the object distance
Answer: Image size to the object size
The image formed by a convex lens when the object is at the focal length is:
A. At infinity
B. At the optical center
C. At the center of curvature
D. At the principal focus
Answer: At infinity
The angle of deviation in a prism is the angle between the:
A. Incident ray and the emergent ray
B. Reflected ray and the emergent ray
C. Refracted ray and the incident ray
D. Incident ray and the refracted ray
Answer: Incident ray and the emergent ray