X-ray diffraction

X-RAY wave length

• 100^-2-10nm

• 1^-2-10nm

• 10^-2-10nm

• 10²-10nm

How to produced x-ray ?

• By heating electron by uv radiation.

• Knocking only e-

• Loss of inner shell e– one of the outer e– will fall into the vacant orbital with the simultaneous emission of X-ray photon

• None of the above.

Bragg equation is

• nλ=2 sinθ

• n=2d sinθ

• nλ=2d sinθ

• nλ=2f

X-rays are generated by

• Geiger tube

• Goniometer

• Coolidge tube

• Rotameter

Collimators used in XRD are made up of

• Thin quartz tube

• Thin glass plates

• Thin metal plates

• All of the above

The useful range of X-ray region for pharmaceutical analysis is

• 0.01 to 0.05 nm

• 0.05-0.07 nm

• 0.07-0.2 nm

• 0.2-0.3 nm

In X-ray powder camera technique, the detector used is

• PMT

• Photographic film

• Bolometer

• Thermistor

Which of the following techniques can be considered as finger spectra

• NMR

• Mass

• X-ray diffraction

• Fluorimetry

The plot drawn in x-ray diffraction spectra is

• Intensity Vs angle

• Intensity vs l

• l vs Angle

• interatomic distance vs angle

The detector in X-ray diffraction that detects the visible radiation is

• Proportional counter

• Silicon diode

• Golay detector

• Scintillation counter