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If a set of defective weights are used b...

If a set of defective weights are used by a student to find the mass of an object using a physical balance, a large number of reading will reduce :-

A

random error

B

random as well as systematic error

C

systematic error

D

neither random nor systematic error

Text Solution

Verified by Experts

The correct Answer is:
A
Large number of readings will reduce the random error.
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ALLEN-PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT -EXERCISE-III
  1. In a particular system the units of length, mass and time are chosen t...

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  2. The Bernoulli's equation is given by P+1/2 rho v^(2)+h rho g=k. Where ...

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  3. The period of oscillation of a simple pendulum in the experiment is re...

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  4. The length, breadth and thickness of a strip are given by l = (10.0 +-...

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  5. The length of a cylinder is measured with a meter rod having least cou...

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  6. Which of the following is not the unit of self inductance

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  7. If energy (E), velcocity (V) and time (T) were chosen as fundamental p...

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  8. Which of the following represents the dimension of capacitance ?

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  9. The dimensional formula for magnetic flux is

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  10. Which does not has the same unit as others

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  11. Refractive index mu is given as mu=A+B/lambda^2, where A and B are con...

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  12. The SI unit of entropy is

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  13. The dimensional formula for Planck's constant and gravitational consta...

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  14. If E, M, L and G denote energy, mass, angular momentum and gravitation...

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  15. The dimensions of the quantity vecE xx vecB, where vecE represents the...

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  16. If a set of defective weights are used by a student to find the mass o...

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  17. A physical quantity rho is calculated by using the formula rho =(1)/(1...

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  18. A wire has a mass (0.3+-0.003)g, radius (0.5+-0.005)mm and length (6+-...

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  19. In a vernier callipers, one main scale division is x cm and n division...

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  20. Choose the incorrect statement out of the following :-

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