Which outcome occurs when multiple uncorrelated lasers illuminate a diffraction grating?

💡 Explanation

Reduced contrast speckle emerges because mutual coherence is not maintained, and thus diffraction patterns add incoherently, rather than amplitudes interfering to form sharp maxima; therefore, the speckle contrast decreases, rather than increasing, because only coherent beams yield strong interference.

• Which consequence results when excess backflash occurs within a reciprocating internal combustion engine?
• Which outcome lowers catalytic efficiency when a catalyst's d-orbitals become blocked?
• Which outcome occurs with gravitational lensing of quasar light?
• Which consequence results when spacetime strongly curves near a neutron star?
• Which mechanism inhibits thermal runaway during gallium arsenide solidification?
• Which consequence results when silicon carbide lattice impurities increase?