Question

The period of oscillation of a simple pendulum is T = 2π√/. Measured value of L is 20.0 cm known to 1 mm accuracy and time for 100 oscillations of the pendulum is found to be 90 s usinga wrist watch of 1 s resolution. What is the accuracy in the determination of g? *

(1) 2%

(2) 3%

(3) 5%

(4) 4%

guys plz tell me iska answer 2% h ya second option h ​

Answer 1

Answer:

Since we have already determined that the oxygen to nitrogen mass ratio is 1.14 : 1, then, if we assign oxygen a mass of 16, as above, nitrogen has a mass of 14. (That is 161.14=14.)

Answer 2

Answer:

2% sayad

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