NEET (NTANational Eligibility cum Medical Entrance Test) Physics: Questions 25  28 of 2142
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Question number: 25
» 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: 26
» Kinematics » Motion in a Straight Line
Question
A ball is dropped vertically from a height d above the ground. It hits the ground and bounces up vertically to a height d/2. Neglecting subsequent motion and air resistance, its velocity v varies with the height h above the ground is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 27
» 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: 28 (1 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% 
