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• AIPMT 2010 Physics

AIPMT 2010 Physics

  

Q. 12.   A cylindrical metallic rod in thermal contact with two reservoirs of heat at its two
ends conducts an amount of heat Q in time t. The metallic rod is melted and the
material is formed into a rod of half the radius of the original rod. What is the
amount of heat conducted by the new rod, when placed in thermal contact with
the two reservoirs in time t?

1. 
       
2. 
   
3. 
   2 Q  
4. 
   

Sol.

 

Answer : (2)

Q.13.   A transverse wave is represented by y = A sin (ωt − kx). For what value of the
wavelength is the wave velocity equal to the maximum particle velocity?

1. 
    
2. 
   
3.  
    
4. 
   A

Sol.

Answer : (3)