Physics and MeasurementErrors in Measurement (NEET (NTANational Eligibility cum Medical Entrance Test) Physics): Questions 12  17 of 29
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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: 12 (2 of 3 Based on Passage) Show Passage
» Physics and Measurement » Errors in Measurement
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: 13 (3 of 3 Based on Passage) Show Passage
» Physics and Measurement » Errors in Measurement
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: 14
» Physics and Measurement » Errors in Measurement
Question
If 97.52 is divided by 2.54, the correct result in terms of significant figures is
Choices
Choice (4)  Response  

a.  38.4 

b.  38.39 

c.  38.394 

d.  38.937 

Question number: 15
» Physics and Measurement » Errors in Measurement
Question
In the context of accuracy of measurement and significant figures in expressing results of experiment, which of the following is/are correct?
 Out of the two measurements 50.14 cm and 0.00025 ampere, the first one has greater accuracy
 Out of the two measurements 50.14 cm and 0.00025 ampere, the second has greater accuracy
 If one travels 697 m by rail and 478 km by road, the total distance is 478.697 km.
 If one travels 478 km by rail and 397 m by road, the total distance travelled is 875 km.
Choices
Choice (4)  Response  

a.  1 and 3 

b.  1 and 2 

c.  2 and 4 

d.  1, 2, 3 

Question number: 16
» Physics and Measurement » Errors in Measurement
Question
Which of the following pairs have same dimensions?
Choices
Choice (4)  Response  

a.  Energy and wavelength 

b.  Torque and Energy 

c.  Angular momentum and work 

d.  Energy and Young’s modulus 

Question number: 17
» Physics and Measurement » Errors in Measurement
Question
Error in the measurement of radius of a circle is 1%. The error in the calculated value of its area is
Choices
Choice (4)  Response  

a.  3% 

b.  2% 

c.  7% 

d.  1% 
