Home
Class 11
PHYSICS
An ice cube of size a = 10 cm is floatin...

An ice cube of size `a = 10 cm` is floating in a tank (base area `A = 50 cm xx 50 cm`) partially filled with water. The change in gravitational potential energy, when ice melts completely is (density of ice is `900 kg//m^(2)`)

A

`- 0.072 J`

B

`- 0.24 J`

C

`- 0.016 J`

D

`-0.045 J`

Text Solution

Verified by Experts

The correct Answer is:
D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PROPERTIES OF MATTER

    DC PANDEY|Exercise More than one option is correct|21 Videos

  • PROPERTIES OF MATTER

    DC PANDEY|Exercise Comprehension|32 Videos

  • PROPERTIES OF MATTER

    DC PANDEY|Exercise Integer|8 Videos

  • PROJECTILE MOTION

    DC PANDEY|Exercise Level - 2 Subjective|10 Videos

  • RAY OPTICS

    DC PANDEY|Exercise Integer type q.|15 Videos

Similar Questions

Explore conceptually related problems

A hollow sphere of glas whose external and internal radii are 11 cm and 9 cm respectively is completely filled with ice at 0^@C and placed in a bath of boiling water. How long will it take for the ice to melt completely? Given that density of ice = 0.9 g//cm^3 , latent heat of fusion of ice = 80 cal//g and thermal conductivity of glass =0.002 cal//cm-s^@C .

A piece of ice having a stone frozen in it floats in a glass vessel filled with water. How will the level of water in the vessel change when the ice melts?

Knowledge Check

  • Consider the melting of 1g of ice at 0^(@)C to was at 0^(@)C at atmospheric pressure. Then the change in internal energy of the system (density of ice is 920kg/ m^(3) )?

    A
    334J
    B
    420J
    C
    540J
    D
    680J

  • An ice-cube of edge is 10 cm floating in water. Time period of small vertical oscillations of the cube is: (Specific gravity of ice is 0.9)

    A
    0.6s
    B
    1.6s
    C
    2.4s
    D
    3.6s

  • A large block of ice 10 cm thick with a vertical hole drilled through it is floating in a lake. The minimum of water through the hole is (density of ice =0.9 g cm^(-3))

    A
    0.5 m
    B
    1.0 m
    C
    1.2 m
    D
    1.8 m

    • Similar Questions

    Explore conceptually related problems

    A hollow sphere of glass whose external and internal radii are 11cm and 9cm respec-tively is completely filled with ice at 0^(@)C and placed in a both of boiling water How long will it take for the ice to melt completely ? Givne that density of ice =0.9g//cm^(3) latent heat of fusion of ice =80 cal//g and thermal conductivity of glass =0.002 cal//cm-s^(@)C .

    A piece of ice is floating in a glass vessel filled with water. How will the level of water in the vessel change when the ice melts ?

    At normal pressure and 0^(@)C temperature the volume of 1 kg of ice is reduced by 91 cm^(3) on melting . Laters heat of melting of ice is 3.4xx 10^(5)J//kg . Calculate the changes in the internal energy when 2 kg of ice melts normal pressure and 0^(@)C. (P=1.01 xx 10^(5) Nm^(-2))

    A cubical ice block of side length 'a' is floating in water in a beaker. Find the change in height of the centre of mass of (water+ice) system when the ice block melts completely. It is given that ratio of mass of water to mass of ice originally in the containe is 4:1.

    A cube of ice of side length 10 cm is floating in water of density 1000 kg//m^(3) . Then pick up the correct statement (density of ice = 900 kg//m^(3) )

    Home
    Profile