JEE Advanced · Physics · 28. Nuclear Physics
In a radioactive decay chain, nucleus decays to nucleus. Let be the number of particles, respectively, emitted in this decay process. Which of the following statements is (are) true?
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
is converting into
Change in mass number Mass number of an particle
No of
Due to particle, will change by unit.
Since given change is , therefore no. of particle is .
Change in mass number Mass number of an particle
No of
Due to particle, will change by unit.
Since given change is , therefore no. of particle is .
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
- To find the distance d over which a signal can be seen clearly in foggy conditions, a railways engineer uses dimensional analysis and assumes that the distance depends on the mass density of the fog, intensity (power/area) S of the light from the signal and its frequency f. The engineer finds that d is proportional to . The value of n isJEE Advanced 2014 Easy
- A rod of length makes an angle with the principal axis of a thin convex lens. The lens has a focal length of and is placed at a distance of from the object as shown in the figure. The height of the image is and the angle made by it with respect to the principal axis is \(\alpha\) rad. The value of is , where is
JEE Advanced 2022 Hard - A plano-convex lens is made of a material of refractive index n. When a small object is placed 30 cm away in front of the curved surface of the lens, an image of double the size of the object is produced. Due to reflection from the convex surface of the lens, another faint image is observed at a distance of 10 cm away from the lens. Which of the following statement(s) is (are) true?JEE Advanced 2016 Hard
- Paragraph:
The nuclear charge \((\mathrm{Ze})\) is non-uniformly distributed within a nucleus of radius \(R\). The charge density \(\rho(r)\) [charge per unit volume] is dependent only on the radial distance \(r\) from the centre of the nucleus as shown in figure. The electric field is only along the radial direction.
Question:
The electric field at \(r=R\) isJEE Advanced 2008 Medium - A massless rod \(B D\) is suspended by two identical massless strings \(A B\) and \(C D\) of equal lengths. A block of mass ' \(m\) ' is suspended point \(P\) such that \(B P\) is equal to ' \(x\) ', if the fundamental frequency of the left wire is twice the fundamental frequency of right wire, then the value of \(x\) is
JEE Advanced 2006 Hard - In the circuit shown below, the switch \(\mathrm{S}\) is connected to position \(\mathrm{P}\) for a long time so that the charge on the capacitor becomes \(q_{1} \mu \mathrm{C}\). Then \(\mathrm{S}\) is switched to position \(\mathrm{Q}\). After a long time, the charge on the capacitor is \(q_{2} \mu \mathrm{C}\).

The magnitude of is _______.JEE Advanced 2021 Medium
More PYQs from JEE Advanced
- Consider a triangle \(A B C\) and let \(a, b\) and \(c\) denote the lengths of the sides opposite to vertices \(A, B\) and \(C\) respectively. Suppose \(a=6, b=10\) and the area of the triangle is \(15 \sqrt{3}\). If \(\angle A C B\) is obtuse and if \(r\) denotes the radius of the incircle of the triangle, then \(r^2\) is equal toJEE Advanced 2010 Easy
- With reference to aqua regia, choose the correct option(s).JEE Advanced 2019 Hard
- A thermodynamic system is taken from an initial state with internal energy to the final state f along two different paths iaf and ibf, as schematically shown in the figure. The work done by the system along the paths af, ib and bf are and respectively. The heat supplied to the system along the path iaf, ib and bf are iaf ib and respectively. If the internal energy of the system in the state b is and , the ratio is
JEE Advanced 2014 Medium - Consider a thin square plate floating on a viscous liquid in a large tank. The height of the liquid in the tank is much less than the width of the tank. The floating plate is pulled horizontally with a constant velocity . Which of the following statements is (are) true?JEE Advanced 2018 Easy
- Sunlight of intensity is incident normally on a thin convex lens of focal length . Ignore the energy loss of light due to the lens and assume that the lens aperture size is much smaller than its focal length. The average intensity of light, in , at a distance from the lens on the other side is __________.JEE Advanced 2018 Medium
- The reaction of and gives a compound . The number of moles of produced by the complete hydrolysis of of is _____ .JEE Advanced 2022 Easy