Podcast
Questions and Answers
Which phenomenon best demonstrates the particle nature of light?
Which phenomenon best demonstrates the particle nature of light?
- Diffraction
- Interference
- Photoelectric effect (correct)
- Polarization
A ray of light strikes a smooth, polished surface at an incident angle of 30 degrees. What is the angle of reflection?
A ray of light strikes a smooth, polished surface at an incident angle of 30 degrees. What is the angle of reflection?
- 30 degrees (correct)
- 90 degrees
- 120 degrees
- 60 degrees
Which type of mirror is used in rearview mirrors of vehicles to provide a wider field of view?
Which type of mirror is used in rearview mirrors of vehicles to provide a wider field of view?
- Plane mirror
- Parabolic mirror
- Convex mirror (correct)
- Concave mirror
An object is placed 20 cm in front of a concave mirror with a focal length of 10 cm. What is the image distance?
An object is placed 20 cm in front of a concave mirror with a focal length of 10 cm. What is the image distance?
Light travels from air into glass. Which of the following statements is true regarding its speed and wavelength?
Light travels from air into glass. Which of the following statements is true regarding its speed and wavelength?
What is the power of a lens with a focal length of 0.5 meters?
What is the power of a lens with a focal length of 0.5 meters?
Which defect of vision can be corrected using a concave lens?
Which defect of vision can be corrected using a concave lens?
Why does the sky appear blue?
Why does the sky appear blue?
Which of the following is NOT a primary color of light?
Which of the following is NOT a primary color of light?
What phenomenon causes the apparent twinkling of stars?
What phenomenon causes the apparent twinkling of stars?
What happens to a light ray when it travels from a denser medium to a rarer medium at an angle?
What happens to a light ray when it travels from a denser medium to a rarer medium at an angle?
An object is placed at the center of curvature of a concave mirror. Where will the image be formed?
An object is placed at the center of curvature of a concave mirror. Where will the image be formed?
If the magnification produced by a lens is +2, what does this indicate about the image?
If the magnification produced by a lens is +2, what does this indicate about the image?
Which part of the human eye is responsible for adjusting the focal length of the lens to focus on objects at different distances?
Which part of the human eye is responsible for adjusting the focal length of the lens to focus on objects at different distances?
What causes the red color of the sun during sunrise and sunset?
What causes the red color of the sun during sunrise and sunset?
Flashcards
Light
Light
Energy that allows us to see objects.
Reflection
Reflection
The bouncing back of light from a surface.
Law of Reflection
Law of Reflection
Angle of incidence equals angle of reflection.
Concave Mirror
Concave Mirror
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Convex Mirror
Convex Mirror
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Focus (F)
Focus (F)
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Focal Length (f)
Focal Length (f)
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Refraction
Refraction
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Refractive Index (n)
Refractive Index (n)
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Convex Lens
Convex Lens
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Concave Lens
Concave Lens
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Power of a Lens (P)
Power of a Lens (P)
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Dispersion
Dispersion
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Accommodation
Accommodation
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Atmospheric Refraction
Atmospheric Refraction
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Study Notes
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