Properties of Solids & Liquids (NEET Physics): Questions 59  63 of 188
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2099 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 550.00 or
Question number: 59
» Properties of Solids & Liquids » Elastic Behavior
Question
A 4.0 m long copper wire of cross sectional area 1.2 cm ^{2} is stretched by a force of 4.8 × 10 ^{3} N stress will be 
Choices
Choice (4)  Response  

a.  4.0 × l0 ^{7 } N/mm ^{2}  
b.  4.0 × l0 ^{7 } KN/m ^{2}  
c.  4.0 × l0 ^{7 } N/m ^{2}  
d.  None of the above 
Question number: 60
» Properties of Solids & Liquids » Thermal Expansion
Question
The apparent coefficient of expansion of a liquid when heated in a copper vessel is C and when heated in a silver vessel is S. If A is the linear coefficient of expansion of copper, then the linear coefficient of expansion of silver
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 61
» Properties of Solids & Liquids » Thermal Expansion
Question
An iron tire is to be fitted on to a wooden wheel 1 m in diameter. The diameter of tire is 6mm smaller than that of wheel. The tire should be heated so that its temperature increases by a minimum of (the coefficient of cubical expansion of iron is 3.6 × 10 ^{5} /°C)
Choices
Choice (4)  Response  

a.  500°C  
b.  167°C  
c.  334°C  
d.  1000°C 
Question number: 62
» Properties of Solids & Liquids » Modulus of Rigidity
Question
The compressibility of water is 5 × 10 ^{10} m ^{2} /N. If it is subjected to a pressure of 15 MPa the fractional decrease in volume will be 
Choices
Choice (4)  Response  

a.  7.5 ×10 ^{3}  
b.  1.5 × 10 ^{2}  
c.  5.6 × 10 ^{4}  
d.  3.3 × 10 ^{5} 
Question number: 63
» Properties of Solids & Liquids » Hooke's Law
Question
A wire of length lm and area of cross section 4 × 10 ^{8} m ^{2 } increases in length by 0.2 cm when a force of 16 N is applied. Value of Y for the material of the wire will be
Choices
Choice (4)  Response  

a.  2 × l0 ^{11} N/mm ^{2}  
b.  2 × 10 ^{11} kg/m ^{2}  
c.  2 × l0 ^{6 } N/m ^{2}  
d.  2 × 10 ^{11 } N/m ^{2} 