A piece of leads is hammered. Does its i...

A piece of leads is hammered. Does its internal energy increase? Does the heat enter the lead from outside ?

Text Solution

Verified by Experts

The correct Answer is:

The work done during hammering gets converted into heat energy. Due to this its internal energy increases.

Topper's Solved these Questions

KTG & THERMODYNAMICS
RESONANCE ENGLISH|Exercise Exercise-2|1 Videos
KTG & THERMODYNAMICS
RESONANCE ENGLISH|Exercise PART -I|15 Videos
KTG & THERMODYNAMICS
RESONANCE ENGLISH|Exercise PART -II|17 Videos
KINETIC THEORY OF GASES AND THERMODYNAMICS
RESONANCE ENGLISH|Exercise Exercise|64 Videos
MAGNETIC FIELD AND FORCES
RESONANCE ENGLISH|Exercise Exercise|64 Videos

Similar Questions

Explore conceptually related problems

Heat is added to a body. Does its temperature necessarily increase?

On which of the following factors does internal energy depend upon

In a given process work done on a gas is 40 J and increase in its internal energy is 10J. Find heat given or taken to/from the gas in this process.

A monatomic gas expands at constant pressure on heating. The percentage of heat supplied that increases the internal energy of the gas and that is involed in the expansion is

When we place a gas cylinder on a van and the van moves, does the kinetic energy of the molecules increase? Does the temperature increase?

Calculate the changes in internal energy of a system if, 400 calorie of heat energy are added to the system and the system does 500 calories of work on the surroundings.

A spherical cavity is made in a lead sphere of radius R such that its surface touches the outsides surface of lead sphere and passes through the centre. The shift in the centre of mass of the lead sphere as a result of this following, is

A lead ball at 25^@ C is dropped from a height of 2 km. It is heated due to air resistance and it is assumed that all of its kinetic energy is used in increasing the temperature of ball. Find the final temperature of the ball.

A charged particle moving in a uniform magnetic field penetrates a layer of lead and there by loses one-half of its kinetic energy. How does the radius of curvature of its path change?

RESONANCE ENGLISH-KTG & THERMODYNAMICS-SECTION

State the postulates of kinetic theory of gases?
Text Solution
|
Derive an expression for pressure exterted by an ideal gas?
Text Solution
|
A piece of leads is hammered. Does its internal energy increase? Does ...
Text Solution
|
What is the change in the internal energy of a system over one complet...
Text Solution
|
Is the internal energy of a gas a function of the pressure? Explain.
Text Solution
|
Refer to figure. Let DeltaU(1) and DeltaU(2) be the changes in interna...
Text Solution
|
State and prove law of equipartition of energy.
Text Solution
|
A refrigerator transfers heat from the cold coling coils to the warm ...
Text Solution
|
Assertion: The temperature of the surface of the sun is approximately ...
Text Solution
|
Why can a ship not use the internal energy of sea water to operate its...
Text Solution
|
A gas has more than one specific heats, whereas a liquid and solid hav...
Text Solution
|
(a) Define two specific heats of a gas. Why is C(p) gt C(v)? (b) Sho...
Text Solution
|
Represent equation of an adiabatic process in terms of (i) T and V (ii...
Text Solution
|
Is the equation PV = RT valid for both the isothermal and adiabatic ch...
Text Solution
|
Define and adiabatic process and state two essential conditios for suc...
Text Solution
|
What is meant by reversible engine? Explain, why the efficiency of a r...
Text Solution
|
What is heat pump ? Name two electric appliances, which work as heat p...
Text Solution
|
Even carnot heat engine cannot give 100% efficiency. Explain why OR ...
Text Solution
|
What are the conditions for thermodynamic equilibrium?
Text Solution
|
Define an isothermal process and state two essential conditions for su...
Text Solution
|