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.
For success in physical tests, especially the MDCAT, engage with high-quality practice MCQs focused on Optics. Incorporate Pak MCQs into your study sessions to refine your understanding and build confidence. Leverage these specialized online tools to ensure thorough preparation and achieve outstanding results in your Optics exams.
A mirror that curves inward is called a:
A. Concave mirror
B. Convex mirror
C. Plane mirror
D. Biconcave mirror
Answer: Concave mirror
The property of a lens or mirror that causes light rays to converge or diverge is called:
A. Optical power
B. Refractive index
C. Curvature
D. Focal length
Answer: Optical power
A mirror that curves outward is called a:
A. Convex mirror
B. Concave mirror
C. Plane mirror
D. Biconvex mirror
Answer: Convex mirror
The image formed by a concave lens is always:
A. Virtual and upright
B. Real and inverted
C. Real and upright
D. Virtual and inverted
Answer: Virtual and upright
The critical angle is the angle of incidence beyond which light is:
A. Totally internally reflected
B. Refracted
C. Reflected
D. Diffused
Answer: Totally internally reflected
The lens maker’s formula relates the focal length of a lens to its:
A. Curvature and refractive index
B. Thickness and curvature
C. Refractive index and thickness
D. Curvature and dispersion
Answer: Curvature and refractive index
The refractive index of a medium is a measure of how much light slows down in that medium. True or False?
A. True
B. False
Answer: True
The point where light rays appear to diverge from in a lens is called the:
A. Virtual focus
B. Focal point
C. Optical center
D. Principal axis
Answer: Virtual focus
In optics, the phenomenon of a rainbow is a result of:
A. Dispersion of light
B. Refraction of light
C. Reflection of light
D. Diffraction of light
Answer: Dispersion of light