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Yash dayal
Yash dayal
Asked: January 17, 2025In: Class-11-Physics

What is meant by the statement that heat is the energy in transit?

Energy is the ability to do work. It exists in various forms such as kinetic, potential, thermal and chemical energy. It is a scalar quantity measured in joules (J). The law of conservation of energy states that energy can neither ...

class 11 physicsenergythermal properties of matter
  • 1 1 Answer
  • 18 Views
  • 1 Vote
  • 1
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rinku singh
rinku singh
Asked: January 17, 2025In: Class-11-Physics

Explain the concept of heat.

Heat is a form of energy that flows between objects due to a temperature difference. It always flows from a higher temperature to a lower one. Heat transfer occurs through conduction, convection and radiation. It plays a crucial role in ...

class 11 physicsheatthermal properties of matter
  • 1 1 Answer
  • 9 Views
  • 1 Vote
  • 1
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Yash dayal
Poll
Yash dayal
Asked: January 16, 2025In: Class-11-Physics

Energy stored in stretching a string per unit volume is

Energy is the capacity to perform work or produce change and exists in various forms including kinetic potential thermal and chemical energy. It can be transformed from one form to another but cannot be created or destroyed according to the ...

class 11 physicsenergymechanical properties of solids
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  • 12 Views
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tonny34
Poll
tonny34
Asked: January 16, 2025In: Class-11-Physics

A wire fixed at the upper end stretches by length l by applying a force F. The work done in stretching is

Work done is defined as the energy transferred when a force acts on an object causing it to move. It is calculated as the product of force and displacement in the direction of the force. The unit of work is ...

class 11 physicsmechanical properties of solidswork done
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  • 6 Views
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ashwin99
Poll
ashwin99
Asked: January 16, 2025In: Class-11-Physics

A wire elongates by l mm when a load W is hanged from it. If the wire goes over a pulley and two weights W each are hung at the two ends, the elongation of the wire will be (in mm)

Elongation is the increase in length of a material when subjected to tensile stress. It is a measure of how much a material stretches under load and is typically expressed as a percentage of the original length. Elongation is crucial ...

class 11 physicsmechanical properties of solids
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