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Physics-

General

Easy

Question

Variation of radiant energy emitted by sun, filament of tungsten lamp and welding are as a function of its wavelength is shown in figure. Which of the following option is the correct match?

Sun- $T_{1},$ tungsten filament $- T_{2}$ , welding $a r c - T_{3}$
Sun- $T_{2}$ , tungsten filament $- T_{1}$ , welding $a r c - T_{3}$
Sun- $T_{3},$ tungsten filament $- T_{2}$ , welding $a r c - T_{1}$
Sun- $T_{1},$ tungsten filament $- T_{3},$ welding $a r c - T_{2}$

The correct answer is: Sun- $T subscript 3 end subscript comma blank$ tungsten filament $negative T subscript 2 end subscript$ , welding $a r c minus T subscript 1 end subscript$

$lambda subscript m end subscript T equals c o n s t a n t$
From the graph $T subscript 3 end subscript greater than T subscript 2 end subscript greater than T subscript 1 end subscript$
Temperature of sun will be maximum

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