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A student measured the diameter of a wir...

A student measured the diameter of a wire using a screw gauge with least count 0.001 cm and listed the measurements. The correct measurement is

A

5.3 cm

B

5.32 cm

C

5.320 cm

D

5.3200 cm

Text Solution

Verified by Experts

The correct Answer is:
C

The measurement is correct upto third place of decimal. Therefore, it must be 5.320 cm.
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MTG GUIDE-PHYSICAL WORLD AND MEASUREMENT-NEET CAFE TOPICWISE PRACTICE QUESTIONS (ACCURACY, PRECISION OF INSTRUMENTS AND ERRORS IN MEASUREMENT)
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  3. A wire has a mass (0.3 +- 0.003) g, radius (0.5 + - 0.005) mm and leng...

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  4. A physical quantity P is related to four observables a, b, c and d as ...

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  5. Which of the following measurements is most precise?

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  6. Choose the incorrect statement out of the following.

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  7. When a current of (2.5 +- 0.5) ampere flows through a wire, it develop...

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  8. The period of oscillation of a simple pendulum is T = 2pisqrt(L//g). M...

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  12. The maximum error in the measurement of mass and density of the cube a...

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  13. The dimensions of a rectangular block measured with callipers having l...

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  14. If voltage V=(100pm5) V and current I=(10pm0.2) A, the percentage err...

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  15. If the time period of oscillation of a pendulum is measured as 2.5 sec...

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  17. The mass of a body is 20.0 g and its volume is 10.0 cm^(3). If possibl...

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  18. In a vernier callipers, N divisions of vernier scale coincide with (N-...

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  19. How are the pitch and least count of a spherometer related ?

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