Home
Class 12
PHYSICS
Equal volumes of water and alcohol when ...

Equal volumes of water and alcohol when put in similar calorimeters take `100 sec` and `74 sec` respecively to cool from `50^(@)C` to `40^(@)C`. The thermal capacity of each calorimeter in numerically equal to the volume of either liquid. The specific gravity of alcohol is `0.8` if the specific heat capacity of water is `1 cal//gm`, the specific heat capcity of alcohol will

A

`0.4 cal//gm^(@) C`

B

`0.5 cal//gm^(@) C`

C

`0.6 cal//gm^(@) C`

D

`0.8 cal//gm^(@) C`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PRACTICAL PHYSICS

    AAKASH SERIES|Exercise LECTURE SHEET LEVEL-II (ADVANCED) Straight Objective Type Questions|19 Videos

  • PRACTICAL PHYSICS

    AAKASH SERIES|Exercise LECTURE SHEET LEVEL-II (ADVANCED) Linked Comprehension Type Questions|4 Videos

  • PHYSICAL WORLD

    AAKASH SERIES|Exercise Exercise -I|10 Videos

  • RAY OPTICS

    AAKASH SERIES|Exercise PROBLEMS ( LEVEL-II)|60 Videos

Similar Questions

Explore conceptually related problems

The thermal capacity of 40 g of aluminium (specific heat =0.2 cal//gm^(@)C )

The mass of a copper calorimeter is 40 g and its specific heat in (SI) units is 4.2 xx 10^2 J^(@) C^-1kg^-1 The thermal capacity is.

40 g of water at 60^@ C is poured into a vessel containing 50 g of water at 20°C. The final temperature of mixture is 30°C. Taking the specific heat capacity of water as 4.2 J g-K-1, calculate the heat capacity of the vessel.

The thermal capacity of 100 g of aluminum (specific heat = 0.2 cal//g^(@)C ) is

250 g of water and equal volume of alcohol of mass 200 g are replaced successively in the same calorimeter and cool from 60^@C to 55^@C in 130 s and 67 s, respectively. If the water equivalent of the calorimeter is 10 g, then the specific heat of alcohol in cal//g^@C is

250 g of water and equal volume of alcohol of mass 200 g are replaced successively in the same colorimeter and cool from 606^@C to 55^@C in 130 s and 67 s, respectively. If the water equivalent of the calorimeter is 10 g, then the specific heat of alcohol in cal//g^@C is

A substance is in the solid from at 0^(@)C . The amount of heat added to this substance and its temperature is plotted in the graph . The specific heat capacity of the solid substance is 0.5 "cal"//"g"^(@)C . Specific heat capacity in the liquid state is -

A mass of 50 g of a certain metal at 150^@ C is immersed in 100 g of water at 11^@ C. The final temperature is 20^@ C. Calculate the specific heat capacity of the metal. Assume that the specific heat capacity of water is 4.2 g^(-1)K^(-1)

The water equivalent of a copper calorimeter is 4.5g. If the specific heat of copper is 0.09 cal g^(-1).^(@)C^(-1) . Then

A solid of mass 50 g at 150^(@) C is placed in 100 g of water at 11^(@)C , when the final temperature recorded is 20^(@)С . Find the specific heat capacity of the solid. (Specific heat capacity of water= 4.2 J//g^(@) C)