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  3. 11th Class
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  5. Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ

11th Class Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ

  • question_answer 30)
    If the speed of light is \[3\times {{10}^{8}}m{{s}^{-1}}\], calculate the distance covered by light in 2.00 ns.

    Answer:

    Distance = speed x time \[=3\times {{10}^{8}}\times 2\times {{10}^{-9}}\] \[=6\times {{10}^{-1}}=0.6m\]  


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