You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Specific Heat Capacity

Two bodies of...

Question

Two bodies of masses 50 g and 100 g are taken with water equivalents 10 g and 20 g respectively. Then the values of their specific heat capacities are _ cal $g^{- 1}^{0} C^{- 1}$ and _cal $g^{- 1}^{0} C^{- 1}$

\frac{1}{5}

and

\frac{1}{5}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

\frac{1}{3}

and

\frac{1}{3}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{11}{5}

and

\frac{11}{5}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{1}{2}

and

\frac{1}{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $\frac{1}{5}$ and $\frac{1}{5}$
The correct answer is option(A).
We know, water equivalent=mass $\times$ specific heat, i.e., $W = m \times S$
Hence, $S_{1} = \frac{W}{m} = \frac{10}{50} = \frac{1}{5}$
$S_{2} = \frac{W}{m} = \frac{20}{100} = \frac{1}{5}$

Suggest Corrections

Similar questions

60 g

of ice at

0^{0}

is mixed with

60 g

of steam at

100^{0}

. At thermal equilibrium, the mixture contains:(Latent heats of steam and ice are

540 c a l g^{- 1}

and

80 c a l g^{- 1}

respectively, specific heat of water

= 1 c a l g^{- 1}^{- 1}

)

5 g

of steam at

100^{\circ} C

is passed into

6 g

of ice at

0^{\circ} C

. If the latent heat of steam and ice are

540 cal/g

and

80 cal/g

respectively and specific heat capacity of water is

1 cal / g^{\circ} C

, then the final temperature of the mixture is

Q. 5 g of water at

30^{o} C

and 5 g of ice at

- 20^{o} C

are mixed together in a calorimeter. What is the final temperature of the mixture. Given specific heat of ice

= 0.5 c a l g^{- 1} (^{o} C)^{- 1}

and latent heat of fusion of ice

= 80 c a l g^{- 1}

Q. The water equivalent of a body, whose mass is 'm' g and specific heat is 's' cal

g^{- 1} C^{- 1}

is given by ____________.

Q. The specific heats of iodine vapour and solid are

0.031 c a l K^{- 1} g^{- 1}

and

0.055 c a l K^{- 1} g^{- 1}

respectively. If heat of sublimation of iodine is 24 cal/g at

200^{\circ} C

, calculate its value at

250^{\circ} C

Join BYJU'S Learning Program

Two bodies of masses 50 g and 100 g are taken with water equivalents 10 g and 20 g respectively. Then the values of their specific heat capacities are _______ cal g−1 0C−1 and _______cal g−1 0C−1

The correct option is A 15 and 15The correct answer is option(A).We know, water equivalent=mass × specific heat, i.e., W=m×SHence, S1=Wm=1050=15S2=Wm=20100=15

Two bodies of masses 50 g and 100 g are taken with water equivalents 10 g and 20 g respectively. Then the values of their specific heat capacities are _ cal $g^{- 1}^{0} C^{- 1}$ and _cal $g^{- 1}^{0} C^{- 1}$

The correct option is A $\frac{1}{5}$ and $\frac{1}{5}$
The correct answer is option(A).
We know, water equivalent=mass $\times$ specific heat, i.e., $W = m \times S$
Hence, $S_{1} = \frac{W}{m} = \frac{10}{50} = \frac{1}{5}$
$S_{2} = \frac{W}{m} = \frac{20}{100} = \frac{1}{5}$