Physics and Measurement-Errors in Measurement (NEET Physics): Questions 6 - 11 of 29

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Question number: 6

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

The length of a cylinder is measured with a meter rod having least count 0.1 cm. Its diameter is measured with Vernier calipers having least count 0.01 cm. Given that length is 5.0 cm. and radius is 2.0 cm. The percentage error in the calculated value of the volume will be

Choices

Choice (4) Response

a.

4%

b.

1 %

c.

2%

d.

3%

Question number: 7

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

According to Joule’s law of heating, heat produced H = I 2 Rt, where I is current, R is resistance and t is time. If the errors in the measurements of I, R, and t. are 3%, 4 % and 6 % respectively then error in the measurement of H is

Choices

Choice (4) Response

a.

17 %

b.

25%

c.

16%

d.

19%

Question number: 8

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

Error in the measurement of radius of a cylinder is 4%. The error in the calculated value of its volume is

Choices

Choice (4) Response

a.

8%

b.

5%

c.

3%

d.

7%

Question number: 9

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

Error in the measurement of radius of a sphere is 1%. The error in the calculated value of its volume is

Choices

Choice (4) Response

a.

3 %

b.

5%

c.

7%

d.

1 %

Question number: 10

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

A thin copper wire of length/metre increases in length by 2 % when heated through 10°C. Which is not the percentage increase in area when a square copper sheet of length/metre is heated through 10°C?

Choices

Choice (4) Response

a.

14%

b.

16%

c.

12%

d.

4%

Passage

The internal radius of a 1 m long resonance tube is measured as 3 cm. A tuning fork of frequency 2000 Hz is used. The first resonating length is measured as 4.6 cm and the second resonating length is measured as 14.0 cm.

Question number: 11 (1 of 3 Based on Passage) Show Passage

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

Calculate the speed of sound at the room temperature.

Choices

Choice (4) Response

a.

275 m/s

b.

330 m/s

c.

376 m/s

d.

356 m/s

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