Physics And Measurement Question 174

Question: In the context of accuracy of measurement and significant figures in expressing results of experiment, which of the following is/are correct

Options:

A) (1) Out of the two measurements 50.14 cm and 0.00025 ampere, the first one has greater accuracy (2) If one travels 478 km by rail and 397 m. by road, the total distance travelled is 478 km. Only (1) is correct

B) Only (2) is correct

C) Both are correct

D) None of them is correct.

Show Answer

Answer:

Correct Answer: C

Solution:

Since for 50.14 cm, significant number = 4 and for 0.00025, significant numbers = 2



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