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If the size of a nucleus (~~10^(-15)m) i...

If the size of a nucleus `(~~10^(-15)m)` is scaled up to the tip of a sharp pin `(~~ 10^(-5)m),` what roughly is the size of an atom?

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If the size of the nucleus ( in the range of 10^(-15)" to "10^(-14)m ) is scaled upto the tip of a sharp pin (approx 10^(-5) m) , what roughly is the size of the atom? Assume tip of the pin to be in the range 10^(5)m " to "10^(-4)m .

If the size of nucleus (in the range of 10^(-15) m to 10^(-4) m) is scaled up to the tip of a sharp pin, what roughly is the size of an atom? Assume tip of the pin to be in the range 10^(-5) m to 10^(-4) m.

If size of an atom (~~10^(-10)m) is scaled up to 1m, what would be the size of nucleus (~~ 10^(-14) m)?

IF the size of an atom ( = 1Å) were enlarged to the tip of a sharp pin (~= 10^(-5)m) , how large would the height of mout everest (~= 10^4m) be?

If the magnification of a body of size 1 m is 2, what is the size of the image ?

If the observable universe (approx 10^(26)m) is shrunk to the size of the earth (approx 10^(7)m) , how large would be milky way on this scale?

If an atom of size 10^(-10) m were enlarged to the size of the earth (~= 10^7m), how large would its nucleus be ? Take size of nucleus =10^(-14) m.

The ratio of the radii of hydrogen atom and its nucleus is ~ 10^(5) . Assuming the atom and the nucleus to be spherical. (a) What will be the ratio of their sizes ? (b) If atom is represented by planet earth 'R_(e)' = 6.4 xx 10^(6)m , estimate the size of the nucleus.

In Rutherford's nuclear model of the atom, the nucleus (radius about 10^(-15)m ) is analogous to the sum about which the electron moves in orbit (radius about 10^(-10)m ) like the earth orbits around the sun. If the dimensions of the solar system had the same proportions as those of the atom, would the earth be closer to or further away form the sun than actually it is ? The radius of earth's orbit is about is 1.5xx10^(11)m . The radius of the sun is taken as 7xx10^8m .

If the size of bacteria is 1 micron, what will be the number of it in 1 m length?

SL ARORA-Units and Measurements-Exercise
  1. If the size of a nucleus (~~10^(-15)m) is scaled up to the tip of a sh...

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  2. Calculate the number of astronomical units in one metre.

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  3. How many parsec are ther in one metre?

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  4. How many metre are there in a light year?

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  5. The density of air is 1.293 kg /m^3. Express it in cgs units.

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  6. Express an acceleration of 10ms^(-2) in km h^(-2)

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  7. If a mass of a proton is 1.67xx10^(-27)kg, how many protons will be pr...

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  8. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

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  9. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

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  10. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

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  11. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

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  12. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

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  13. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

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  14. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

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  15. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

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  16. What is one astronomical unit ? Express it in metres . Write its or...

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  17. What is the order of magnitude of second in a day ?

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  18. In a submarine fitted with a SONAR, the time between the genretaion of...

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  19. A radar signal is beamed towards a planet and its echo is recived 7 mi...

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  20. A rock under water is 1595 m deep. Find the time in which an ultrasoni...

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  21. The angle of elevation of the top of a hill is 30^(@) from a point on ...

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