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 type of lens that corrects farsightedness is a:
A. Convex lens
B. Concave lens
C. Biconcave lens
D. Planoconcave lens
Answer: Convex lens
The phenomenon of light bending as it passes through a lens is known as:
A. Refraction
B. Reflection
C. Dispersion
D. Diffraction
Answer: Refraction
The magnifying power of a lens is given by 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 focal length of a lens is defined as the distance between the lens and:
A. The focal point
B. The optical center
C. The image
D. The object
Answer: The focal point
In a diffraction grating, the interference pattern is created by:
A. Multiple slits
B. Single slit
C. Curved surfaces
D. Prismatic dispersion
Answer: Multiple slits
The ability of a lens to magnify objects is determined by its:
A. Focal length
B. Refractive index
C. Optical power
D. Curvature
Answer: Focal length
The refractive index of a medium can be found using:
A. Snell's law
B. Newton's law
C. Boyle's law
D. Ohm's law
Answer: Snell's law
The phenomenon of light bending around the edges of an object is known as:
A. Diffraction
B. Refraction
C. Reflection
D. Dispersion
Answer: Diffraction
The dispersion of light through a prism separates the colors due to:
A. Different wavelengths of light bending by different amounts
B. Different speeds of light
C. Different intensities of light
D. Different angles of incidence
Answer: Different wavelengths of light bending by different amounts