In the ballistic pendulum experiment, What was the uncertainly in the angle meas

Question

In the ballistic pendulum experiment, What was the uncertainly in the angle measurement? (a) 0.5 degree (b) 0.2 radians (c) 0.1 degree (d) 1 degree (e) None of the above. In the ballistic pendulum experiment, which of the following is not a source of systematic error? (a) Friction at the pivot. (b) State of level of the launcher. (c) Record of the launcher. (d) Selection of the final angle by the pawl and ratchet device. (e) None of the above. The length of a pencil is measured to be 10.00 cm with a ruler. What is the fractional error in the length of the pencil? (a) 0.05% (b 0.005 (c) 0.005 cm (d) 0.005 mm (e) None of the above.

Explanation / Answer

Ans 39

systematic error is the one which is caused when

so option a is most correct as it is random error

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