Physics and Measurement-Accuracy and Precision of Measuring Instruments (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics): Questions 1 - 2 of 2

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 250 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 1

» Physics and Measurement » Accuracy and Precision of Measuring Instruments

Appeared in Year: 2011

MCQ▾

Question

Four students measure the height of a tower. Each student uses a different method and each measures the height many different times. The data for each are plotted below. The measurement with highest precision is,

Choices

Choice (4) Response

a.

Graph of Number of Trials verses Height Choice A

Graph of Number of Trials Verses Height Choice A

in figure graph of number of trials verses height is shown.

b.

 Graph of Number of Trials verses Height Choice B

Graph of Number of Trials Verses Height Choice B

in figure graph of number of trials verses height is shown.

c.

 Graph of Number of Trials verses Height Choice C

Graph of Number of Trials Verses Height Choice C

In figure graph of number of trials verses height is shown.

d.

Graph of Number of Trials verses Height Choice D

Graph of Number of Trials Verses Height Choice D

In figure graph of number of trials verses height is shown.

Question number: 2

» Physics and Measurement » Accuracy and Precision of Measuring Instruments

MCQ▾

Question

In an experiment, on the measurement of g, using a simple pendulum, the time period was measured with an accuracy of 0.3 % while the length was measured with an accuracy of 0.4%. What is the percentage accuracy in the value of g thus obtained?

Choices

Choice (4) Response

a.

1 %

b.

0.9 %

c.

1.2 %

d.

0.7 %

Sign In