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Measurements an...

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  • Question 1
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    Which of the following has the highest value?          

  • Question 2
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    If four pendulums; A, B, C andv D have frequency 20 Hz, 30 Hz, 40 Hz and 50 Hz respectively, which pendulum has the lowest frequency?

  • Question 3
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    In which of the following pairs are unit symbol and quantity not correctly matched?

  • Question 4
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    Match the following.

    Derived unit Unit name
    (i) Power (a) Volt
    (ii) Energy (b) Pascal
    (iii) Work (c) Joule
    (iv) Pressure (d) Watt
    (v) Electromotive (e) Joule

  • Question 5
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    Which of the following is true in case of a team balance?

  • Question 6
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    We have three pendulums; A, B and C having frequency 50 Hz, 30 Hz and 20 Hz respectively. Which pendulum has the highest length?

  • Question 7
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    How many milli seconds are needed to make a mega second?

  • Question 8
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    Which of the following has the same units as that of time in seconds?

  • Question 9
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    Consider the following numbers.
    a - 6.120
    b - 74.32
    c - 7532
    d - 0075

    Find the number of significant figures in each given number.

  • Question 10
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    How many milligrams are there in 100 tonnes (t)?

  • Question 11
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    In which of the following cases is percentage error more?

  • Question 12
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    If four pendulums P, Q, R and S are having length 10 cm, 20 cm, 30 cm and 40 cm respectively, which pendulum has the lowest frequency?

  • Question 13
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    How many millilitres are there in 100 m3 of water?

  • Question 14
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    Which of the following formulae is correct for the calculation of the least count of vernier scale?

  • Question 15
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    Which of the following is not correct?

  • Question 16
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    Which of the following is not correct?

  • Question 17
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    How many femtoseconds are there in 100 picoseconds?

  • Question 18
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    Which of the following is true regarding physical quantity?

  • Question 19
    1 / -0

    Find the length of the pendulum having time period 4 seconds and frequency 1 Hz.

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