A radioactive sample S₁ having an activity of 5 μCi has twice the number of nuclei as another sample S₂ which has an activity of 10 μCi. The half lives of S₁ and S₂ can […]
Which one of the following statements is WRONG in the context of X-rays generated from a X-ray tube?
Options
(a) Wavelength of characteristic X-rays decreases when the atomic number of the target increases […]
An ideal gas is expanding such that PT²=constant. The coefficient of volume expansion of the gas is
Options
(a) 1/T (b) 2/T (c) 3/T (d) 4/T
Correct Answer:
3/T
Explanation:
No explanation available. […]
A vibrating string of certain length l under a tension T resonates with a mode corresponding to the first overtone (third harmonic) of an air column of length 75 cm inside a tube closed at […]
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