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Wien's displacement law fails at ....

Wien's displacement law fails at .

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Wien's displacement law fails for

The SI unit of Wien's constant in Wien's displacement law is

What do you mean by Wien's displacement law? What are the units and dimensions of Wien's constant?

STATEMENT-1: When an electrical heater is switched on, the colour of the filament gradually changes from red to yellow to almost white. STATEMENT-2: Wien's displacement law states that lambda_(m)T = b (constant).

State : (a) Wien's displacement law, and (b) first law of thermodynamics.

Wien's displacement law||Stefan's law OF radiation||Rate OF cooling by radiation||Examples on radiation

According to Wien's displacement law the relation between lambda_(m) and absolute temperature T follows as

Assertion: Red star is at lower temperature than blue star. Reason: According to Wien's displacement law, lamda_m prop 1/T

Assertion : When temperature of a body is increased, in radiant energy, number of low wavelength photons get increased. Reason : According to Wien's displacement law lambda_m prop 1/T .

SL ARORA-Thermal Properties of Matter-Exercise
  1. Wien's displacement law fails at .

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  2. A faulty thermometer reads 5^@ C melting ice and 99^@ C in steam. Find...

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  3. An ungraduated thermometer of uniform bore is attached to a centimeter...

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  4. The normal temperature of the human body is 98.4^(@)F.Calculcate this ...

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  5. What is the triple point of water on a Fahrenheit scale ? What is the ...

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  6. when a thermometer is taken from the melting ice to a warm liquid, the...

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  7. The pressure of air in the bulb of constant volume air thermometer is ...

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  8. What is that temperature at which the Fahrenheit reading is double tha...

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  9. At what temperature is the Fahrenheit scale reading equal to (a) twi...

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  10. A constant volume gas thermometer using Sulphur records a pressure of ...

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  11. The resistance of a resistance thermometer at 19^(@)C is 3.50 Omega an...

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  12. How much should the temperature of a brass rod be increased so as to i...

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  13. A steel scale measures the length of a copper wire as 80.0 cm when bot...

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  14. A steel metre scale is to be ruled so that the millimetre intervals ar...

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  15. A brass rod at 30^@C is observed to be 1 metre long when measured by a...

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  16. At 30^(@)C, the hole in a steel plate has diameter of 0.99970 cm. A cy...

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  17. What should be the length of steel and copper rods at 0^(@)C that the ...

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  18. A clock having a brass pendulum beats seconds at 30^@C. How many secon...

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  19. A steel wire 2mm in diameter is stretched between two clamps, when its...

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  20. Calculate the force required to prevent a steel wire of 1 mm^2 cross-s...

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  21. The design of some physical instrument requires that there be a consta...

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