MCQ
Radioactivity was discovered by
- ✓Becquerel
- BPierre Curie
- CRoentgen
- DRutherford
✓
Answer
Correct option: A.
Becquerel
a
(a) Natural radioactivity was discovered by Henry Becquerel.
(a) Natural radioactivity was discovered by Henry Becquerel.
In $1896$ Henri Becquerel was using naturally fluorescent minerals to study the properties of x-rays, which had been discovered in $1895$ by Wilhelm Roentgen.
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
The specific heat capacity of a body depends on:
The dimensions of magnetic flux are
In Young’s double slit experiment, a minimum is obtained when the phase difference of super imposing waves is
Meteors are
Find the potential $V$ of an electrostatic field $\vec E = a\left( {y\hat i + x\hat j} \right)$, where $a$ is a constant.
→In a parabola spectrograph, the velocities of four positive ions $P,Q,R$ and $S$ are $v_1$, $v_2$, $v_3$ and $v_4$ respectively
→If an electron in a hydrogen atom jumps from the $3^{rd}$ orbit to the $2^{nd}$ orbit, it emits a photon of wavelength $\lambda$. when it jumps from the $4^{th}$ orbit to the $3^{rd}$ orbit, the corresponding wavelength of the photon will be
→A parallel plate air capacitor has a capacitance $C$. When it is half filled with a dielectric of dielectric constant $5$, the percentage increase in the capacitance will be.....$\%$
→If $10^{9}$ electrons move out of a body to another body every second. how much time is required to get a total charge of $1 \,C$ on the other body?
→The laws of forces that govern the force between two electric charges were discovered by: