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Which of the following statements is true about rectilinear propagation of light?
  • a)
    Light travels in a straight line
  • b)
    Light can travel in a curved path
  • c)
    Light can bend around corners
  • d)
    Light can only travel in a zigzag path
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which of the following statements is true about rectilinear propagatio...
Rectilinear Propagation of Light

The statement that is true about rectilinear propagation of light is option 'A': Light travels in a straight line.

Explanation:

What is rectilinear propagation of light?
Rectilinear propagation of light refers to the phenomenon where light travels in a straight line through a homogeneous medium. It means that light travels in a straight path unless it is interrupted or influenced by other factors.

Reasons for rectilinear propagation of light:
There are several reasons why light propagates in a straight line:

1. Homogeneous medium: Light travels in a straight line through a homogeneous medium, which means that the properties of the medium do not change significantly. In such a medium, light encounters minimal obstacles or disturbances that could cause it to deviate from a straight path.

2. Waves and particles: Light exhibits properties of both waves and particles. When considered as waves, light travels in straight lines due to the principle of superposition, which states that when two waves meet, the sum of their amplitudes determines the resulting wave. This principle allows the light waves to propagate in a straight line.

3. Law of reflection: When light encounters a smooth and polished surface, it follows the law of reflection, which states that the angle of incidence is equal to the angle of reflection. This phenomenon ensures that light bounces off the surface in a predictable manner, maintaining a straight path.

Common misconceptions:
It is important to clarify common misconceptions related to rectilinear propagation of light:

1. Light can travel in a curved path: While it is true that light can change direction when passing through different mediums or encountering obstacles, it still follows a straight path within each medium or between obstacles. The overall path may appear curved due to multiple straight segments.

2. Light can bend around corners: This statement is not accurate as light cannot bend around corners. However, it can undergo phenomena like diffraction and refraction, which may cause it to change direction when passing through openings or encountering a change in medium.

3. Light can only travel in a zigzag path: This statement is incorrect as light does not travel in a zigzag path. Zigzag motion may occur when light undergoes multiple reflections or refractions, but each individual segment of light travels in a straight line.

In conclusion, the true statement about rectilinear propagation of light is that light travels in a straight line. This behavior is a result of the properties of light waves and particles, the principle of superposition, and the laws of reflection.
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Community Answer
Which of the following statements is true about rectilinear propagatio...
Rectilinear propagation of light refers to the fact that light travels in a straight line. This means that when light passes through a transparent medium, such as air, it will continue to travel in a straight line until it encounters an obstacle or another medium.
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Which of the following statements is true about rectilinear propagation of light?a)Light travels in a straight lineb)Light can travel in a curved pathc)Light can bend around cornersd)Light can only travel in a zigzag pathCorrect answer is option 'A'. Can you explain this answer?
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