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