Question
Which physical quantities are conserved in natural and artificial radioactivity?
✓
Answer
(1) Their charge is conserved.
(2) The sum of mass and energy remains conserved.
(3) Angular momentum and linear momentum are conserved.
(2) The sum of mass and energy remains conserved.
(3) Angular momentum and linear momentum are conserved.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
If the road of the previous problem is horizontal (no banking),The road is horizontal (no banking) what should be the minimum friction coefficient so that a scooter going at 18km/hr does not skid?
According to Maxwell's theory of electrodynamics, an electron going in a circle should emit radiation of frequency equal to its frequency of revolution. What should be the wavelength of the radiation emitted by a hydrogen atom in ground state if this rule is followed?
Given a uniform electric field $\overrightarrow{\text{E}} = 2\times 10^3 \hat{i}$ N/C find the flux of this field through a square of side 20 cm, whose plane is parallel to the y-z plane. What would be the flux through the same square, if the plane makes an angle of $30^{\circ}$ with the x-axis?
→Write limitations of Huygen's Principle.
Find the equivalence between points $P$ and N of the combination shown in the figure.
→Explain ferromagnetism and ferromagnetic substances.
A point charge ‘q’ is placed at O as shown in the figure.
Is $V_P — V_Q$ positive or negative when (i) q > 0, (ii) q < 0? Justify your answer.
→Is $V_P — V_Q$ positive or negative when (i) q > 0, (ii) q < 0? Justify your answer.
A charge Q is placed at a distance $\frac{\text{a}}{2}$ above the centre of a horizontal, square surface of edge a as shown in figure. Find the flux of the electric field through the square surface.
→A radioactive nucleus ‘A’ undergoes a series of decays according to the following scheme:$\text{A} - \xrightarrow{a}\text{A}_{1} \xrightarrow{\beta}\text{A}_{2}\xrightarrow{\alpha}\text{A}_{3}\xrightarrow{\gamma}\text{A}_{4}$
The mass number and atomic number of A are 180 and 72 respectively. What are these numbers for $A_4?$
→The mass number and atomic number of A are 180 and 72 respectively. What are these numbers for $A_4?$
Explain by graph how the electric field by thin spherical shell depends on the distance, of point from centre.