Apotato and raisins salad has been warmed up to a temperature of 80∘c80∘c and let it stand for three minutes. then one tries a bite.

would the potatoes and raisins be equally warm? potatoes have a specific heat of 3430 j/(kg⋅∘c)3430 j/(kg⋅∘c). raisins have a specific heat of 1630 j/(kg⋅∘c)1630 j/(kg⋅∘c).

a) no. potatoes will be warmer.

b) no. raisins will be warmer.

c) yes

Answer : The correct option is, (a) No. Potatoes will be warmer.

Explanation :

Formula used :

where,

Q = heat taken

m = mass of substance

c = specific heat of substance = ?

= change in temperature

As we are given that the potatoes have a specific heat of and raisins have a specific heat of . That means higher the value of specific heat the more heat taken by the substance (more warmer will be the substance). So, the potatoes will be more warmer as compared to raisins.

Hence, the correct option is, (a) No. Potatoes will be warmer.

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