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Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Red light travels faster in glass than green light.
Reason : The refractive index of glass is less for red light than for green light.
  • a)
    Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
  • b)
    Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
  • c)
    Assertion (A) is true but reason (R) is false.
  • d)
    Assertion (A) is false but reason (R) is true.
  • e)
    Both Assertion and Reason are false.
Correct answer is option 'A'. Can you explain this answer?
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Direction: In the following questions, a statement of assertion (A) i...
Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
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Direction: In the following questions, a statement of assertion (A) i...
Assertion: Red light travels faster in glass than green light.
Reason: The refractive index of glass is less for red light than for green light.

The correct answer is option 'A': both the assertion and reason are true and the reason is the correct explanation of the assertion.

Explanation:
When light travels from one medium to another, it changes its speed and direction. This phenomenon is called refraction. The speed of light in a medium is determined by the refractive index of that medium. The refractive index of a medium is the ratio of the speed of light in vacuum to the speed of light in that medium.

In the given assertion, it is stated that red light travels faster in glass than green light. This means that the refractive index of glass is less for red light compared to green light.

Refraction and Refractive Index:
- Refraction occurs when light passes from one medium to another with a different refractive index.
- The refractive index of a medium determines how much light is bent when it enters or exits that medium.
- The refractive index is defined as the ratio of the speed of light in vacuum to the speed of light in the medium.

Speed of Light in Glass:
- The speed of light in a medium is inversely proportional to its refractive index. A higher refractive index means a slower speed of light in that medium.
- Since the refractive index of glass is less for red light than for green light, red light travels faster in glass than green light.

Explanation of Assertion and Reason:
- The assertion states that red light travels faster in glass than green light, which is true.
- The reason given for this is that the refractive index of glass is less for red light than for green light, which is also true.
- The reason is the correct explanation for the assertion because the refractive index determines the speed of light in a medium, and a lower refractive index means a higher speed of light.

Therefore, both the assertion and reason are true, and the reason is the correct explanation for the assertion.
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Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Red light travels faster in glass than green light.Reason : The refractive index of glass is less for red light than for green light.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.e)Both Assertion and Reason are false.Correct answer is option 'A'. Can you explain this answer?
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Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Red light travels faster in glass than green light.Reason : The refractive index of glass is less for red light than for green light.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.e)Both Assertion and Reason are false.Correct answer is option 'A'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Red light travels faster in glass than green light.Reason : The refractive index of glass is less for red light than for green light.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.e)Both Assertion and Reason are false.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Red light travels faster in glass than green light.Reason : The refractive index of glass is less for red light than for green light.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.e)Both Assertion and Reason are false.Correct answer is option 'A'. Can you explain this answer?.
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