Physics and Measurement (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 12  18 of 62
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Question number: 12
» Physics and Measurement » Errors in Measurement
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
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
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
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: 16 (2 of 3 Based on Passage) Show Passage
» Physics and Measurement » Errors in Measurement
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: 17 (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: 18
» Physics and Measurement » Dimensions of Physical Quantities
Question
In the relation , 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}] 
