Physics and Measurement (NEET Physics): Questions 12 - 18 of 61

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Question number: 12

» 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: 13

» 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: 14

» 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: 15 (1 of 3 Based on Passage) Show Passage

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

Calculate the maximum percentage error in measurement of e.

Choices

Choice (4) Response
a.

3.33%

b.

4.33%

c.

2.23%

d.

5.33%

Question number: 16 (2 of 3 Based on Passage) Show Passage

» Physics and Measurement » Errors in Measurement

MCQ▾

Question

Calculate the end correction.

Choices

Choice (4) Response
a.

0.3 cm

b.

0.4 cm

c.

0.2 cm

d.

0.1 cm

Question number: 17 (3 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

Question number: 18

» Physics and Measurement » Dimensions of Physical Quantities

MCQ▾

Question

In the relation αβeαZkθ , P is pressure, Z is the distance, k is Boltzmann constant and θ is the temperature. The dimensional formula of β will be

Choices

Choice (4) Response
a.

[M 0 L 2 T -1]

b.

[M 1 L 2 T 1]

c.

[M 1 L 0 T -1]

d.

[M 0 L 2 T 0]

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