Question

a single count of 1000 is recordedin one minute by a Geiger counter and scaler using....

a single count of 1000 is recordedin one minute by a Geiger counter and scaler using. a Cs-137 source. What is the expected range of values that another count should show with the same counting conditions

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Answer #1

Given data

A single count of 1000 is recorded in one minute by a Geiger counter and scalar using a Cs-137

To find

the expected range of values that another count should show with the same counting conditions.

If the total count is N, the uncertainity in the count is , and the fractional uncertainity of the count and count rate is

  3%

For example if it is to 90% confidence then

.

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