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.
The point where rays of light converge after reflection from a concave mirror is called the:
A. Focus
B. Center of curvature
C. Vertex
D. Principal axis
Answer: Focus
The distance between the optical center and the focus of a lens is known as the lens’s:
A. Focal length
B. Radius of curvature
C. Refractive index
D. Optical power
Answer: Focal length
The focal length of a lens is determined by its curvature and:
A. Refractive index
B. Thickness
C. Color
D. Surface texture
Answer: Refractive index
In a concave lens, parallel rays of light diverge from a point known as the:
A. Virtual focus
B. Real focus
C. Principal focus
D. Optical center
Answer: Virtual focus
The process by which light changes direction when it enters a medium at an angle is known as:
A. Refraction
B. Reflection
C. Diffraction
D. Interference
Answer: Refraction
The image formed by a plane mirror is always:
A. Virtual and upright
B. Real and inverted
C. Virtual and inverted
D. Real and upright
Answer: Virtual and upright
The dispersion of light by a prism occurs because different colors of light have different:
A. Refractive indices
B. Frequencies
C. Speeds
D. Wavelengths
Answer: Refractive indices
The lens formula is used to calculate the relationship between the focal length, object distance, and image distance. True or False?
A. True
B. False
Answer: True
The focal length of a convex lens is positive, while the focal length of a concave lens is negative. True or False?
A. True
B. False
Answer: True