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Which of the following is correct for the beam which enters the medium?
- a)Travel as a cylindrical beam
- b)Diverge
- c)Converge
- d)Diverge near the axis and converge near the periphery
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following is correct for the beam which enters the medium...
Explanation:
When a beam of light enters a medium, it undergoes refraction. Refraction is the bending of light as it passes from one medium to another. The amount of bending depends on the angle at which the light enters the medium and the refractive indices of the two media.
Converging beam:
When the beam of light enters a medium at an angle, it bends towards the normal. If the refractive index of the medium is greater than that of the incident medium, the beam also converges towards the normal. This means that the beam of light comes together at a point after passing through the medium. This is known as a converging beam.
Diverging beam:
If the refractive index of the medium is less than that of the incident medium, the beam of light will bend away from the normal. This means that the beam of light spreads out after passing through the medium. This is known as a diverging beam.
Cylindrical beam:
A cylindrical beam is a beam of light that has constant intensity along its entire length.
Conclusion:
When a beam of light enters a medium, it can either converge or diverge depending on the refractive index of the medium. A cylindrical beam is not a characteristic of the beam entering a medium. Therefore, the correct answer is option C.
When a beam of light enters a medium, it undergoes refraction. Refraction is the bending of light as it passes from one medium to another. The amount of bending depends on the angle at which the light enters the medium and the refractive indices of the two media.
Converging beam:
When the beam of light enters a medium at an angle, it bends towards the normal. If the refractive index of the medium is greater than that of the incident medium, the beam also converges towards the normal. This means that the beam of light comes together at a point after passing through the medium. This is known as a converging beam.
Diverging beam:
If the refractive index of the medium is less than that of the incident medium, the beam of light will bend away from the normal. This means that the beam of light spreads out after passing through the medium. This is known as a diverging beam.
Cylindrical beam:
A cylindrical beam is a beam of light that has constant intensity along its entire length.
Conclusion:
When a beam of light enters a medium, it can either converge or diverge depending on the refractive index of the medium. A cylindrical beam is not a characteristic of the beam entering a medium. Therefore, the correct answer is option C.
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Community Answer
Which of the following is correct for the beam which enters the medium...
Since the refractive index is less at beam boundary, the ray at the edges of the beam move faster compared to the axis of beam. Hence the beam converges.
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Which of the following is correct for the beam which enters the medium?a)Travel as a cylindrical beamb)Divergec)Converged)Diverge near the axis and converge near the peripheryCorrect answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following is correct for the beam which enters the medium?a)Travel as a cylindrical beamb)Divergec)Converged)Diverge near the axis and converge near the peripheryCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is correct for the beam which enters the medium?a)Travel as a cylindrical beamb)Divergec)Converged)Diverge near the axis and converge near the peripheryCorrect answer is option 'C'. Can you explain this answer?.
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