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Write the full name of the technique use...

Write the full name of the technique used in locating (a) position of an aeroplane in space, (b) position of an object under water.

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RADAR `→` Radio Detection and Ranging.
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CBSE COMPLEMENTARY MATERIAL-DIMENSIONS AND MEASUREMENT -M.C.Q PHYSICAL WORLD & MEASUREMENT
  1. Write the full name of the technique used in locating (a) position of ...

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  2. Which of the following is not a unit of distance? (i) Light year (ii...

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  3. The dimensional formula for ω in the relation y = A Sin ωt is

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  4. Dimensional formula for curie is

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  5. Which of the following pairs of physical quantites does not have same ...

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  6. If momentum (p), area (A) and time(t) are taken to be fundamental quan...

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  7. Out of 4.0 and 4.00, which is more accurate?

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  8. The speed (v) of sound in a gas is given by v = k P^(x) ρ^(y) Where ...

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  9. If percentage errors in the measurement of mass and volume of an objec...

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  10. Given that int (dx)/(sqrt(2 ax - x^2)) = a^n sin^(-1) ((x-a)/(a)) wher...

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  11. In the standard equation S(nth)=u+(a)/(2)(2n-1) what dimensions do you...

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  12. Given : force = (alpha)/("density" + beta^3). What are the dimensions ...

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  13. The dimensions of intensity of wave are

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  14. The dimensions of light year is

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  15. The time dependance of a physical quantity 'P' is given by P=P(0)exp(-...

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  16. Two quantities A and B have different dimensions. Which mathematical o...

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  17. Which one of the following pair of quantities has same dimension ?

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  18. A cube has a side of length 1.2xx10^(-2)m. Calculate its volume

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  19. The equation of state for real gas is given by ((p + (a)/(V^(2))(V - b...

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  20. The number of significant figures in 30.00 m are

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  21. Which of the following measurement is most precise?

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