MCQ
Einstein was awarded a Noble Prize for:
- ✓Photo electric effect
- BCompton effect
- CTheory of relativity
- DNone of the above
The noble prize in Physics $1921$ was awarded to Albert Einstein for his services to theoretical Physics and especially for his discovery of the two of the photoelectric effect
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$E_x=36\,sin\,(1.20 \times 10^7z -3.6 \times 10^{15}\,t)\,V/m$
The average intensity of the beam will be.....$W/m^2$