Pick out the wrong statement.

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The maximum is the emissive power of a surface at a temperature T1 occurs at a wavelength of &lambda;1. If the surface temperature is halved, the maximum in the emissive power would occur at a wavelength of 0.5 &lambda;1

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In process heat exchangers, saturated steam is preferred over the superheated steam

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When a vertical plate is heated in infinite air environmental under natural convection conditions, the velocity profile in air, normal to the plate, exhibits a maximum

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A body at 925 K emits an energy of 1.42 x 1011&zeta;W/m2 (&zeta; is the Stefan-Boltzmann constant) in the wavelength band between 3 &mu;m to 4 &mu;m. The fraction of this energy in the total energy emitted over the entire wavelength range is equal to emis

Q. Pick out the wrong statement.

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