NCERT Exemplar II — task. Science CBSE, Class 7.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Two clocks \(A\) and \(B\) are shown in figure. Clock \(A\) has an hour and a minute hand, whereas clock \(B\) has an hour hand, minute hand as well as a second hand. Which of the following statement is correct for these clocks?

Clock \(A\) and \(B\)

Time interval of \(5\) minutes can be measured by both \(A\) and \(B\)
Time interval of \(4\) minutes \(10\) seconds can be measured by clock \(A\)
A time interval of \(30\) seconds cannot be measured by clock \(B\)
A time interval of \(30\) seconds can be measured by clock \(A\)

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22. NCERT Exemplar II

Exercise condition: