A metallic ball and highly stretched spring are made of the same material and have the same mass. They are heated so that they melt, the latent heat required
A metallic ball and highly stretched spring are made of the same material and have the same mass. They are heated so that they melt, the latent heat required
- A
are the same for Both
- B
is greater for the ball
- C
is greater for the spring
- D
for the two may or may not be the same depending upon the metal
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If water at $0\,^oC$ kept in a container with an open mouth, is placed in a large evacuated chamber,
If water at $0\,^oC$ kept in a container with an open mouth, is placed in a large evacuated chamber,
Values for latent heat in Column$-\,I$ and its values are given in Column$-\,II$. Match the followings :
Column $-\,I$
Column $-\,II$
$(a)$ Latent heat of vaporization $L_V$
$(i)$ $22.6\, \times \,{10^5}\,J\,/kg$
$(b)$ Latent heat of fusion $L_f$
$(ii)$ $33.3\, \times \,{10^5}\,J\,/kg$
$(iii)$ $3.33\, \times \,{10^5}\,J\,/kg$
Values for latent heat in Column$-\,I$ and its values are given in Column$-\,II$. Match the followings :
| Column $-\,I$ | Column $-\,II$ |
| $(a)$ Latent heat of vaporization $L_V$ | $(i)$ $22.6\, \times \,{10^5}\,J\,/kg$ |
| $(b)$ Latent heat of fusion $L_f$ | $(ii)$ $33.3\, \times \,{10^5}\,J\,/kg$ |
| $(iii)$ $3.33\, \times \,{10^5}\,J\,/kg$ |
A solid cube having certain fixed melting and boiling points takes heat from some source.The variation of temperature $\theta$ of the cube with the heat supplied $Q$ is shown in the adjoining graph. The portion $BC$ of the graph represents the conversion of
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A closed bottle containing water at $30^{\circ} C$ is open on the surface of the moon. Then,
A closed bottle containing water at $30^{\circ} C$ is open on the surface of the moon. Then,
- [KVPY 2015]
Match the following according to conversion by heat :
Column $-I$
Column $-II$
$(a)$ Required heat to convert solid into gaseous.
$(i)$ Latent heat of fusion
$(b)$ Required heat to convert solid into liquid.
$(ii)$ Latent heat of vaporization.
Match the following according to conversion by heat :
| Column $-I$ | Column $-II$ |
| $(a)$ Required heat to convert solid into gaseous. | $(i)$ Latent heat of fusion |
| $(b)$ Required heat to convert solid into liquid. | $(ii)$ Latent heat of vaporization. |