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  • Question 1
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    Calculate area enclosed by a circle of diameter 1.06 m1.06\ m to correct number of significant figures.

  • Question 2
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    The dimension of permittivity (ε 0{ \varepsilon  }_{ 0 }) are ______. Take QQ as the dimension of charge.

  • Question 3
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    The order of magnitude of 379379 is

  • Question 4
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    Which of the following is dimensionless?

  • Question 5
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    If yy represents the pressure and xx represents the position then dimensional expression of dxp2y2  \int { \dfrac { dx }{ \sqrt { p^{ 2 }- y^2}  }  }

  • Question 6
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    If the speed of light (c), acceleration due to gravity (g) and pressure (p) are taken as fundamental units, the dimensions of gravitational constant (G) are:

  • Question 7
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    The number of significant figures in 0.002100.00210 is

  • Question 8
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    Subtract 2.5×1042.5 \times {10}^{4} from 3.9×1053.9 \times {10}^{5} and give the answer to correct number of significant figures.

  • Question 9
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    The order of magnitude of 0.00701 is:

  • Question 10
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    The amplitude of a damped oscillator of mass m'm' varies with the time  't' as A=A0eat/mA=A_0e^{-at/m}. The dimension of a'a' are:

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