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 image formed by a concave mirror when the object is placed between the focal point and the mirror is:
A. Virtual and larger than the object
B. Real and smaller than the object
C. Virtual and smaller than the object
D. Real and larger than the object
Answer: Virtual and larger than the object
The phenomenon of light splitting into its constituent colors when passing through a prism is known as:
A. Dispersion
B. Refraction
C. Reflection
D. Diffraction
Answer: Dispersion
When light passes from air into a denser medium, it bends:
A. Towards the normal
B. Away from the normal
C. In the direction of the light source
D. In the opposite direction to the light source
Answer: Towards the normal
The type of mirror that always forms virtual images is a:
A. Concave mirror
B. Convex mirror
C. Plane mirror
D. Biconvex mirror
Answer: Convex mirror
The angle of deviation of light in a prism is directly proportional to:
A. The angle of the prism
B. The refractive index of the medium
C. The thickness of the prism
D. The wavelength of light
Answer: The angle of the prism
The index of refraction of a medium is defined as the ratio of:
A. Speed of light in a vacuum to speed of light in the medium
B. Speed of light in the medium to speed of light in a vacuum
C. Wavelength in vacuum to wavelength in the medium
D. Angle of incidence to angle of refraction
Answer: Speed of light in a vacuum to speed of light in the medium
The point at which light rays parallel to the principal axis converge after passing through a convex lens is called the:
A. Principal focus
B. Optical center
C. Virtual focus
D. Real focus
Answer: Principal focus
The phenomenon where light is bent as it passes through a narrow slit is known as:
A. Diffraction
B. Refraction
C. Reflection
D. Dispersion
Answer: Diffraction
The lens used in magnifying glasses is typically a:
A. Convex lens
B. Concave lens
C. Biconcave lens
D. Planoconcave lens
Answer: Convex lens