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Assertion : Parallax method cannot be u...

Assertion : Parallax method cannot be used for measuring distance of stars morer then 100 light year away.
Reason : Because parallax angle reduces so much that it cannot be measured accurately.

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What is parallax method? How is it used to measure large distances?

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SL ARORA-Units and Measurements-Exercise
  1. Show that the maximum fractional error in the product of two quantitie...

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  2. Calcualte the fractional error ((Deltax)/x), if x=a^(n),

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  3. Assertion : Parallax method cannot be used for measuring distance of ...

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  4. Inferior planets are

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  5. Write a note on radar method to measure larger distances.

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  6. COMPARISION OF INERTIAL MASS AND GRAVITATIONAL MASS

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  7. Statement-I: Dimensional analysis can give us the numerical value of p...

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  8. What is meant by error in measurements ? Give an example.

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  9. Assertion : Absolute error may be negative or positive. Reason : Abs...

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  10. How is absolute error different from mean absolute error?

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  11. If the relative error in measuring the radius of a circular plane i...

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  12. The percentage error in measurement of a physical quantity [m given by...

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  13. Show that the percentage error in the nth root of a number is approxim...

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  14. The equation of state for real gas is given by ((p + (a)/(V^(2))(V - b...

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  15. Pressure depends on distance as, P = (alpha)/(beta)exp((-alpha z)/(k t...

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  16. The dimensions of 1/2 epsilon(0)E^(2) (epsilon(0)= permittivity of fre...

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  17. (a) In the formula X=3YZ^(2), X and Z have dimensions of capcitnce and...

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  18. a quantity X is given by epsilon(0)L(DeltaV)/(Deltat) where in(0) is ...

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  19. Which of the following sets have different dimensions ?

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  20. A cube has a side of length 1.2xx10^(-2)m. Calculate its volume

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