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What is vacuum?...

What is vacuum?

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Speed of light in vacuum is

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The absolute refractive index of water is 1.36. What is the velocity of light in water? (velocity of light in vacuum is 3×10^8m//s )

The absolute refractive index of water is 1.36. What is the velocity of light in water ? (Velocity of light in vacuum =3xx10^(8) m/s)

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CHETANA PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Exercise
  1. What is vacuum?

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  2. A needle of length 6 cm can stay afloat on water. Find weight of the n...

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  3. Calculate the work done in blowing a soap bubble of radius 4 cm. The s...

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  4. A square glass plate 4.5 cm long and 0.5 cm thick is suspended in a t...

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  5. Calculate the work done in increasing the radius of a soap bubble in a...

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  6. A liquid of density 700 kg//m^3 rises to a height of 12 mm in capillar...

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  7. A liquid rises to height of 9 cm in a glass capillary of radius 0.02 c...

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  8. A capillary tube of diameter 0.6 mm dipped vertically into water. It r...

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  9. Eight droplets of mercury each of radius 1 mm coalesces into a single ...

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  10. Calculate the work done in breaking a mercury drop of radius 1mm into ...

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  11. Compare the amount of work done in blowing two soap bubbles of radii i...

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  12. When glass capillary tube of radius 0.4 mm is dipped into mercury, the...

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  13. Surface tension of water at 0^@C is 75 dyne/cm, find the surface tensi...

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  14. Find the work done in blowing a soap bubble of radius 5cm.Surface tens...

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  15. A capillary tube of uniform bore is dipped vertically in water which r...

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  16. Compare the amount of work done in blowing two soap bubbles of radii i...

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  17. A drop of mercury 2 mm in diameter breaks into a million small spheric...

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  18. A liquid of density 800 kg//m^3 flowing steadily in a tube of varying ...

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  19. A liquid of density 800 kg//m^3 flowing steadily in a tube of varying ...

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  20. Water is flowing continously from a tap having a base of internal diam...

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  21. Find the terminal velocity of a steel ball bearing of radius 0.1cm whe...

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