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 optical power of a lens is measured in:
A. Diopters
B. Watts
C. Joules
D. Amperes
Answer: Diopters
When light passes through a lens, the change in direction is due to:
A. Refraction
B. Reflection
C. Dispersion
D. Diffraction
Answer: Refraction
The phenomenon where light spreads out after passing through a narrow slit is called:
A. Diffraction
B. Refraction
C. Reflection
D. Dispersion
Answer: Diffraction
The type of mirror used in car headlights is typically a:
A. Concave mirror
B. Convex mirror
C. Plane mirror
D. Biconvex mirror
Answer: Concave mirror
The critical angle for a medium is dependent on its:
A. Refractive index
B. Thickness
C. Color
D. Density
Answer: Refractive index
The angle of incidence is always equal to the angle of reflection in:
A. Reflection
B. Refraction
C. Dispersion
D. Diffraction
Answer: Reflection
The lens that converges light rays to a point is called a:
A. Convex lens
B. Concave lens
C. Biconcave lens
D. Planoconcave lens
Answer: Convex lens
The lens formula 1/f = 1/v – 1/u is used to find:
A. Image distance
B. Object distance
C. Focal length
D. Magnification
Answer: Focal length
The dispersion of light in a prism results in a spectrum because different colors of light have:
A. Different refractive indices
B. Different speeds
C. Different wavelengths
D. Different angles of incidence
Answer: Different refractive indices