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Light travels a distance of '10x' units in time 't1' in vacuum and it travels a distance of 'x' units in time 't2' in a denser medium. Using this information answer the question that follows:

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Question

Light travels a distance of '10x' units in time 't1' in vacuum and it travels a distance of 'x' units in time 't2' in a denser medium. Using this information answer the question that follows:

'Light covers a distance of '20x' units in time 't1' in diamond'. State true or false.

Options

  • True

  • False

MCQ
True or False
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Solution

This statement is False.

Reason:

Because light always travels slower in a medium than it does in a vacuum. Within a vacuum, light travels 10x units over time 't1'. Therefore, it is impossible to travel '20x' units in time 't1' in a diamond.

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Chapter 2: Light - Frequently Asked Questions in Board Examination [Page 156]

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Frank Physics Part 2 [English] Class 10 ICSE
Chapter 2 Light
Frequently Asked Questions in Board Examination | Q 39. (b) (a) | Page 156
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