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By the method of dimensions, show that 1...

By the method of dimensions, show that `1 N=10^(5)` dynes .

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SL ARORA-PHYSICAL WORLD AND MEASUREMENTS-problem for self practice
  1. If E , M , J , and G , respectively , denote energy , mass , angular m...

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  2. If 'slap' times speed equals power, what is the dimensional formula fo...

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  3. By the method of dimensions, show that 1 N=10^(5) dynes .

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  4. The value of acceleration due to gravity at a place is 9.8ms^(-2). Fin...

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  5. Suppose the acceleration due to gravity at a place is 10 m/s^2. Find i...

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  6. A body has a uniform acceleration of 5 kmh^(-2). Express it in CGS u...

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  7. The density of mercury is 13.6 g cm^(-3) in CGS system. Find its value...

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  8. The surface tension of water is 72 dyne/cm. Express is in SI units.

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  9. An electriv bulb has a power of 500 W. Express it in CGS units.

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  10. If the value of atmospheric pressure is 10^(6) dyne cm^(-2), find its ...

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  11. The value of Stefan's constant is sigma =5.76xx 10^(-8) J s^(-1) m^(-2...

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  12. Find the value of 100 J on a system which has 20 cm, 250g and half min...

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  13. If the unit of force energy and velocity are 20 N, 200J and 5m//s, fin...

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  14. When 1m, 1kg and 1min. Are taken as the fundamental units, the magnitu...

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  15. If the units of length and force be increased three times, show that t...

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  16. If velocity of light is taken as the unit of velocity and an year is t...

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  17. Test the dimensional consistency of the following equations : (i)v=u...

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  18. Use principle of homogenity of dimensions to find which one of the fo...

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  19. A student conclude that the velocity v of a body falling freely under ...

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  20. The viscous force 'F' acting on a small sphere of rtadius 'r' moving w...

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