MCQ
When a radioactive element ejects a beta particle its :
- Amass number remains same
- Bits atomic number increases by 1
- Cthe new element occupies one place ahead of its original position in periodic table
- ✓all of these
✓
Answer
Correct option: D.
all of these
D
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
Make the correct choices in the following:
(a) In one atom of copper (mass number 63, atomic number 29) there are
(a) In one atom of copper (mass number 63, atomic number 29) there are
Object $AB$ is placed in front of the lens $L.$ Points $F_1, O$ and $F_2$ has usual meanings. Where will the image of object $AB$ form?
The electric current flows through a liquid when:
A heart of a rabbit beats 100 times in a minute when a fox chases it during which the work performed is 1.5 J . Find the power of the heart :
When a white light ray falls on a prism, the ray at its first surface suffers.
An effort of 500 N is applied through a distance of 0.50 m on a machine, whose efficiency is 90%, such that resistance is overcome through a distance of 0.04 m. The resistance overcome by the machine is:
The power of a lens is + 1.0 D is : ________ .
A magnet PQ is broken like this
PQ → PRSQ
The polarity of R and S will be: (P is north)
PQ → PRSQ
The polarity of R and S will be: (P is north)
The present of magnetic field at a point can be detected by :
The voltage at which power is transmitted from generating stations to the main substation is: