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Karun Deshpande

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Karun Deshpande
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Karun Deshpande
Asked: January 20, 2025In: Class-11-Physics

On increasing the temperature of a substance gradually, its colour becomes

Temperature is a measure of the average kinetic energy of the particles in a substance. It determines the direction of heat flow, from hotter to cooler objects. Temperature is commonly measured in degrees Celsius, Fahrenheit or Kelvin. It plays a ...

class 11 physicstemperaturethermal properties of matter
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Karun Deshpande
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Karun Deshpande
Asked: January 20, 2025In: Class-11-Physics

The sun emits a light with maximum wavelength 510 nm, while another star X emits a light with maximum wavelength of 350 nm. What is the ratio of surface temperature of the sun and the star X?

Wavelength is the distance between two consecutive peaks or troughs of a wave. It is commonly used to describe electromagnetic waves like light and radio waves. Wavelength is inversely related to frequency, meaning shorter wavelengths have higher frequencies and vice ...

class 11 physicsthermal properties of matterwavelength
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Karun Deshpande
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Karun Deshpande
Asked: January 20, 2025In: Class-11-Physics

According to Wien’s displacement law

A law is a statement or principle that describes a consistent relationship observed in nature or science. It is based on repeated experiments and observations. Laws are universally applicable and do not change under different conditions, like Newton’s laws of ...

class 11 physicsthermal properties of matter
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Karun Deshpande
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Karun Deshpande
Asked: January 20, 2025In: Class-11-Physics

Suppose the sun expands so that its radius becomes 100 times its present radius and its surface temperature becomes half of its present value. The total energy emitted by it then will increases by a factor of

Energy emitted refers to the release of energy from an object in the form of electromagnetic radiation or particles. This can occur through processes like radiation, conduction or convection. Examples include light emitted by the Sun, heat released by a ...

class 11 physicsenergy emittedthermal properties of matter
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Karun Deshpande
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Karun Deshpande
Asked: January 20, 2025In: Class-11-Physics

A metal rod at a temperature of 150°C, radiates energy at a rate of 20W. If its temperature is increased to 300°C, then it will radiate at the rate of

Radiation is the emission and transfer of energy through electromagnetic waves or particles. It does not require a medium and can travel through a vacuum. Examples include sunlight, infrared heat and X-rays. Radiation is crucial in processes like energy transfer, ...

class 11 physicsradiationthermal properties of matter
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