Solid State Physics Answers

If the radius of Earth decreased, with no change in mass, your weight would _____.

Which of these configurations is not a FET configuration?
common source
common drain
common gate
common base
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A uniform bar,12 ft long weighs 10 kg. A 5 kg is at one end and an 8 kg weigh is 2 ft from the other end. At what point will the bar be supported so that the system will remain horizontal?

Explain the three types of defects in crystals

A crystal has a cubic unit cell of 4.2 Å. Using a wavelength of 1.54 Å at what angle (2
)
would you expect to measure the (111) peak

A laser beam of wavelength 6X10-7 m , coherence width 8X10-3m and power 10mW shines on a surface 100m away. Deduce the illumination , compare it with that due to a collimated beam from a torch filament of diameter 0.1cm , lens of focal length 10cm and power 10W.

a laser beam of wavelength 630 nm coherence width 8x10 -3 m and power 10mw shines on a surface 100 m away. deduce the illumination. compare it with that due to a collimated beam from a torch filament of diameter 0.1 cm , lence of focal length 10 cm and power 10 w

Obtain an expression for paramagnetic susceptibility of free electrons on the basis of the
classical laws. Discuss its inadequacy and show pouli modified it.?

a sample of germanium shows no Hall effect. If the mobility of electrons in germinium is 3500 cm2/V.sec and that of holes is 1400 cm2/V.sec. What fraction of the current in the sample is carried by electrons ?

A sample of Germanium shows no Hall effect. If the mobility of electrons in Germanium is 3500
cm2/V.sec and that of holes is1400 cm2/V.sec .What fraction of the current in the sample is
carried by electrons