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The parallax method has been used for me...

The parallax method has been used for measuring distances of stars, which are

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The correct Answer is:
distance of stars ; less then 100 ly away
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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Fill in the blanks
  1. Order of magnitude of a quantity is the ……….., which gives us a value…...

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  2. The estimated size of observable universe is of the order of………

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  3. The parallax method has been used for measuring distances of stars, wh...

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  4. The smallest mass is that of ………….. Of the order of …………… kg.

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  5. Masses of atomic// subatomic particles are measured using a …………….. .

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  6. Time taken by light to cross a distance of nuclear size is of the orde...

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  7. Age of universe is of the order of ………. Second.

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  8. …………… is used for measurig long time intervals of the order of ……….. S...

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  9. Any phenomenon that…………. Can serve as a …………… .

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  10. An optical microscope uses visible light of wavelength ranging from ……...

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  11. Universal gravitational constant, universal gas constant and …….. Are ...

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  12. Methematical constants, pi, etc. are called ……….. .

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  13. Angle, …………. And ……. Are some of the ……….. Variables.

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  14. Some of the dimensional veriables are …………. , ……………. , …………… .

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  15. Which of the following physical quantities has a unit but no dimension...

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  16. The dimensional formula of Hubble constant. Is same as that of frequen...

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  17. Can there be a physical quantity, which has no units and no dimensions...

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  18. The dimension of length in pressure gradient is ……… .

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  19. The dimension formula of Stefan's constant is………… .

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  20. [M^1 L^2 T^(-3) A^(-2)] is the ………… formula of …………. .

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