Quality of X-rays depends upon ____________ A-filament current B-accelerating voltage C-material of the target ?

Related Mcqs:

1. The minimum wavelength of X-rays produced by the bombardment of electrons on the screen of a television set where the accelerating potential is 2.0K V will be______________?

   A. 6.2 x 10-10m B. 9.1 x 10-18m C. 3.11 x 10-10m D. 4 x 10-10m...

2. n an LCR series circuit, if V is the effective value of the applied voltage VR is the voltage across R VL is the effective voltage across L & Vc is the effective voltage across C then_______________?

   IA. V = VR+VL+VC B. V2 = VR2+VL2+VC2 C. V2 = VR2+(VL-VC)2 D. V2 = VL2+(VR-VC)2...

3. In an X-ray tube electrons each of charge e are accelerated through V potential difference allowed to hit a metal target. The wavelength of the X-rays emitted is_______________?

   A. he/ev B. he/Vc C. eV/h D. impossible to predict...

4. The penetrating power of X-rays depends on their______________?

   A. applied voltage B. frequency C. source D. all of the above...

5. There are three bulbs of 60W 100W and 200W which bulb has thickest filament ?

   A. 100W B. 200W C. 60W D. all...

6. When light incident normally on thin film the path difference depends upon ________________?

   A. thickness of the film only B. nature of the film only C. angle of indidence only D. all thickness nature and angle of incidence...

7. Inertia is depends upon only?

   A. Velocity B. Direction C. Mass D. Time Submitted by: Chakar Hussain Shar...

8. X-rays are similar in nature to_______________?

   A. Cathode rays B. Positive rays C. γ-rays D. Beta rays...

9. When X-rays are passed through successive aluminum sheets what happens to their thickness ?

   A. increases B. it decreases C. it remains same D. sometimes increases and sometimes decreases...

10. X-rays are diffracted by a crystal but not by a diffraction grating because_____________?

    A. The ions in a crystal are well arranged B. The lines in a diffraction grating cannot reflect X-rays. C. The penetration power of X-rays is high in a diffraction grating D. The wavelengths of X-rays are of the same order of magnitude as the separation between atoms in a crystal...