Physics-
General
Easy

Question

A block of aluminium of mass 2kg was supplied with 3600J of heat If the specific heat of aluminium is 900 J K g to the power of negative 1 end exponent k to the power of negative 1 end exponent, then rise in temperature is.

  1. 3°c    
  2. 2°c    
  3. 4°c    
  4. 5°c    

The correct answer is: 2°c


    Mass(m) = 2kg,
    Q = 3600 J
    S equals 900 J k g to the power of negative 1 end exponent k to the power of negative 1 end exponent
    DT= ?
    Q equals m s capital delta T rightwards double arrow capital delta T equals fraction numerator Q over denominator m s end fraction
    rightwards double arrow capital delta T equals fraction numerator 3600 over denominator 2 cross times 900 end fraction
    rightwards double arrow capital delta T equals fraction numerator 3600 over denominator 1800 end fraction
    rightwards double arrow capital delta T equals 2 to the power of ring operator end exponent C

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