AP EAMCET · PHYSICS · Nuclear Physics
The decay of a radioactive material is shown in the graph. From the graph, the decay constant of the material is nearly
- A \(3.2 \mathrm{~ms}^{-1}\)
- B \(0.63 \mathrm{~ms}^{-1}\)
- C \(8.2 \mathrm{~ms}^{-1}\)
- D \(0.1 \mathrm{~ms}^{-1}\)
Answer & Solution
Correct Answer
(A) \(3.2 \mathrm{~ms}^{-1}\)
Step-by-step Solution
Detailed explanation
No solution. Refer to answer key.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- The lower half of a vessel of depth \(2 d \mathrm{~cm}\) is filled with a liquid of refractive index \(\mu_1\) and the upper half with a liquid of refractive index \(\mu_2\). The apparent depth of the vessel seen perpendicularly isAP EAMCET 2020 Medium
- The impedance of an LR circuit with \(\mathrm{L}=\frac{60}{\pi} \mathrm{mH}\), \(\mathrm{R}=8 \Omega\) and frequency \(50 \mathrm{~Hz}\) isAP EAMCET 2022 Medium
- Which of the following sets of concurrent forces may be in equilibrium?AP EAMCET 2020 Easy
- When a \(8 \mathrm{~m}\) long wire is stretched by a load of \(10 \mathrm{~kg}-\mathrm{wt}\), it is elongated by \(1.5 \mathrm{~mm}\). The energy stored in the wire in this process is \(\left(g=10 \mathrm{~ms}^{-2}\right)\)AP EAMCET 2021 Medium
- A body at \(3000 \mathrm{~K}\) emits maximum energy at a wavelength of \(9660 Å\). If the sun emits maximum energy at a wavelength of \(4950 Å\), what would be the temperature of the sun?AP EAMCET 2020 Medium
- Three circular discs of same material and same thickness of radii \(r, 2 r\) and \(3 r\) are placed on a horizontal plane such that their centres lie along a straight line. The radius of the middle disc is \(2 \mathrm{r}\) and it touches the other two discs. The distance of the centre of mass of the system from the centre of the smaller disc is ________ .AP EAMCET 2017 Medium
More PYQs from AP EAMCET
- If \(a^2+b^2+c^2=1, a, b, c \in R\), then the set of extreme values of \(a b+b c+c a\) isAP EAMCET 2022 Medium
- If the variance of \(6,7,8,9,10,11\) is \(\sigma^2\), then the variance of \(12,14,16,18,20,22\) isAP EAMCET 2018 Easy
- A body is projected horizontally from the top of a tower of height \(180 \mathrm{~m}\) with a velocity of \(20 \mathrm{~ms}^{-1}\). If acceleration due to gravity is \(10 \mathrm{~ms}^{-2}\), then match the following.
\(\begin{array}{llll}A & B & C & D\end{array}\)AP EAMCET 2018 Medium - In Lassaigne sodium fusion test, \(\mathrm{N}\) and \(\mathrm{S}\) of an organic compounds are converted intoAP EAMCET 2021 Medium
- \({ }_6 \mathrm{C}^{12}\) and \({ }_1 \mathrm{~T}^3\) are formed in nature due to the nuclear reaction of neutron withAP EAMCET 2004 Easy
- If five digit numbers are formed from the digits \(0,1,2,3\), 4 using every digit exactly only once, then the probability that a randomly chosen number from those numbers is divisible by 4 , isAP EAMCET 2024 Medium