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If Price of wafers is increased by 10%, Krishna could buy 2 kg less wafers in Rs. 440. Now Krishna purchased 5 kg wafers for his birthday, then find how much more money paid by Krishna.
Consider the following statements about Tricellular Model: It was given by William Ferrel. It was based on Rotating Earth at the Equinox Position of the sun. It consists of Thermally Direct Hadley & Ferrel Cells while Thermally indirect Polar Cell. Which of the following statement(s) is/are true? 
A bar of Gallium Arsenide (GaAs) is doped with Silicon such that the Silicon atoms occupy Gallium and Arsenic sites in the GaAs crystal. Which one of the following statements is true?
A GaAs injection laser with an optical cavity has refractive index of 3.6. Calculate the reflectivity for normal incidence of the plane wave on the GaAs-air interface.
The total efficiency of an injection laser with GaAs active region is 12%. The applied voltage is 3.6 V and band gap energy for GaAs is 2.34 eV. Determine external power efficiency.
The GaAs fabrication has _________ gate geometry.
Method used for fabrication of GaAs FET is
How many masking stages does fabrication of GaAs FET require?
GaAs is used in the fabrication of GUNN diodes because:
Assertion (A): An LTI discrete system represented by the difference equation. y (n+2)-5y(n+1)+6y(n) =x(n) is unstable. Reason (R): A system is unstable if the roots of the characteristic equation lie outside the unit circle.