The capillary rise of mercury is maximum in glass tube of dia __________ mm.

Question: In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be
[A].

higher, as it gives higher wavelength.

[B].

lower, as it gives higher wavelength.

[C].

higher, as it gives shorter wavelength.

[D].

lower, as it gives shorter wavelength.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Out of the following, the __________ pipe has the least corrosion resistance.
[A].

mild steel

[B].

copper

[C].

cast iron

[D].

wrought iron

Answer: Option D

Explanation:

No answer description available for this question.