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Write the order of magnitude of the foll...

Write the order of magnitude of the following :
(i) 8 (ii) 49 (iii)52 (iv) 999 (v) 1001 (vi) 753000 (vii) 0.05 (viii) 0.99

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SL ARORA-Units and Measurements-Exercise
  1. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

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

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

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

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

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

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

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

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

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

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  11. The moon subtends an angle of 57 minutes at the base line equal to rad...

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  12. The parallax of a heavenly body measured from two points diametrically...

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  13. Assuming that a planet goes round the sun in a circular orbit of radiu...

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  14. Compare the period of rotation of planet Mars about the sun with that ...

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  15. A drop of olive oil of radius 0.3 mm spreads into a rectangular film o...

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  16. IF the size of an atom ( = 1Å) were enlarged to the tip of a sharp pin...

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  17. If an atom of size 10^(-10)m were enlarged to the size of the earth (~...

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  18. if the universe were shrunk to the size, of earth, how large would the...

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  19. A neutron star has a density equal to that of nuclear matter (~= 2.8X0...

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  20. Which type of phenomenon can be used as a measure of time ? Given thre...

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