Home
Class 12
BIOLOGY
Water protects organisms from thermal sh...

Water protects organisms from thermal shock due its high
(a) Thermal conductivity
(b) Latent heat
(c) Dielectric constant
(d) All the above

A

Thermal canductivity

B

Latent heat

C

Dielectric constant

D

All the above.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOLECULES OF THE CELL

    DINESH PUBLICATION ENGLISH|Exercise CYG|43 Videos
  • MOLECULES OF THE CELL

    DINESH PUBLICATION ENGLISH|Exercise CYG|43 Videos
  • MICROBES IN HUMAN WELFARE

    DINESH PUBLICATION ENGLISH|Exercise Brain Teasers-VIII|60 Videos
  • MOLLUSCA

    DINESH PUBLICATION ENGLISH|Exercise CYG|10 Videos

Similar Questions

Explore conceptually related problems

Food material can be preserved at (a) High temperature (b) Low temperature (c) Osmotic temperature (d) All the above.

Correct statements among a to d regarding silicones are : (a) They are polymers with hydrophobic character. (b) They are biocompatible. ( c ) In general, they have high thermal stability and low dielectric strenght. (d) Usually, they are resistant to oxidation and used as greases.

Correct statements among a to d regarding silicones are : (a) They are polymers with hydrophobic character. (b) They are biocompatible. ( c ) In general, they have high thermal stability and low dielectric strenght. (d) Usually, they are resistant to oxidation and used as greases.

Which one is included under ecosystem services (a) Protection of soil (b) Conservation and purification of water (c) Climate control (d) All the above

The area of cross-section of rod is given by A= A_(0) (1+alphax) where A_(0) & alpha are constant and x is the distance from one end. If the thermal conductivity of the material is K . What is the thermal resistancy of the rod if its length is l_(0) ?

An ice ball of radius a and mass m is placed at 0^@C inside a thick hollow sphere of inner and outer radii a and b whose thermal conductivity varies as k=alpha/r^2 , where alpha is a positive constant and r is the distance from centre. The temperature of surrounding is theta_0 and latent heat of fusion for ice is L_f . Then , time required to completely melt the ice ball is (Neglect the contraction in volume when ice melts into water and any change in thermal resistance due to melting of ice of the system.)

A 0.60 kg sample of water and a sample of ice are placed in two compartmetnts A and B separated by a conducting wall, in a thermally insulated container. The rate of heat transfer from the water to the ice through the conducting wall is constant P, until thermal equilibrium is reached. The temperature T of the liquid water and the ice are given in graph as functions of time t. Temperature of the compartments remain homogeneous during whole heat transfer process. Given specific heat of ice =2100 J//kg-K , specific heat of water =4200 J//kg-K , and latent heat of fusion of ice =3.3xx10^5 J//kg .

A 0.60 kg sample of water and a sample of ice are placed in two compartmetnts A and B separated by a conducting wall, in a thermally insulated container. The rate of heat transfer from the water to the ice through the conducting wall is constant P, until thermal equilibrium is reached. The temperature T of the liquid water and the ice are given in graph as functions of time t. Temperature of the compartments remain homogeneous during whole heat transfer process. Given specific heat of ice =2100 J//kg-K , specific heat of water =4200 J//kg-K , and latent heat of fusion of ice =3.3xx10^5 J//kg . Initial mass of the ice in the container equal to

A 0.60 kg sample of water and a sample of ice are placed in two compartmetnts A and B separated by a conducting wall, in a thermally insulated container. The rate of heat transfer from the water to the ice through the conducting wall is constant P, until thermal equilibrium is reached. The temperature T of the liquid water and the ice are given in graph as functions of time t. Temperature of the compartments remain homogeneous during whole heat transfer process. Given specific heat of ice =2100 J//kg-K , specific heat of water =4200 J//kg-K , and latent heat of fusion of ice =3.3xx10^5 J//kg . The value of rate P is?

A 0.60 kg sample of water and a sample of ice are placed in two compartmetnts A and B separated by a conducting wall, in a thermally insulated container. The rate of heat transfer from the water to the ice through the conducting wall is constant P, until thermal equilibrium is reached. The temperature T of the liquid water and the ice are given in graph as functions of time t. Temperature of the compartments remain homogeneous during whole heat transfer process. Given specific heat of ice =2100 J//kg-K , specific heat of water =4200 J//kg-K , and latent heat of fusion of ice =3.3xx10^5 J//kg . Initial mass of the ice in the container equal to