AP POLYCET PHYSICS Multiple Choice Questions (MCQs)
AP POLYCET Physics - Reflection and Refraction of Light
Multiple Choice Questions (MCQs) with Answers
-
Which of the following laws is applicable to the reflection of light?
- A) Snell's Law
- B) Kirchhoff's Law
- C) Law of Reflection
- D) Coulomb's Law
Answer: C) Law of Reflection
-
The angle between the incident ray and the reflected ray is 60°. What is the angle of incidence?
- A) 15°
- B) 30°
- C) 45°
- D) 60°
Answer: B) 30°
-
A mirror that converges light rays at a point is called:
- A) Plane Mirror
- B) Convex Mirror
- C) Concave Mirror
- D) Cylindrical Mirror
Answer: C) Concave Mirror
-
The speed of light is maximum in which medium?
- A) Water
- B) Glass
- C) Air
- D) Vacuum
Answer: D) Vacuum
-
The refractive index of a medium is defined as the ratio of:
- A) Velocity of light in vacuum to velocity in the medium
- B) Wavelength in vacuum to wavelength in the medium
- C) Frequency of light in vacuum to frequency in the medium
- D) None of the above
Answer: A) Velocity of light in vacuum to velocity in the medium
-
What happens to light when it passes from a denser to a rarer medium?
- A) It bends towards the normal
- B) It bends away from the normal
- C) It travels in a straight line
- D) It gets absorbed
Answer: B) It bends away from the normal
-
Which of the following is a characteristic of an image formed by a plane mirror?
- A) Real and inverted
- B) Virtual and erect
- C) Virtual and inverted
- D) Real and erect
Answer: B) Virtual and erect
-
The critical angle is the angle of incidence for which the angle of refraction is:
- A) 0°
- B) 45°
- C) 90°
- D) 180°
Answer: C) 90°
-
The focal length of a concave mirror is 20 cm. Its radius of curvature is:
- A) 10 cm
- B) 20 cm
- C) 30 cm
- D) 40 cm
Answer: D) 40 cm
-
Which type of lens is used to correct myopia (short-sightedness)?
- A) Convex Lens
- B) Concave Lens
- C) Cylindrical Lens
- D) Bifocal Lens
Answer: B) Concave Lens
-
When a ray of light passes through the center of curvature of a spherical mirror, it:
- A) Retraces its path
- B) Bends towards the normal
- C) Bends away from the normal
- D) Refracts to another medium
Answer: A) Retraces its path
-
The angle of incidence is equal to the angle of reflection for:
- A) Plane mirrors only
- B) Curved mirrors only
- C) All mirrors
- D) All reflective surfaces
Answer: D) All reflective surfaces
-
What is the unit of refractive index?
- A) No unit
- B) Meter
- C) Second
- D) Candela
Answer: A) No unit
-
Which mirror always forms a virtual, erect, and diminished image?
- A) Plane Mirror
- B) Concave Mirror
- C) Convex Mirror
- D) None of the above
Answer: C) Convex Mirror
-
The bending of light as it passes around an obstacle or through a narrow slit is called:
- A) Reflection
- B) Refraction
- C) Diffraction
- D) Dispersion
Answer: C) Diffraction
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