Download App

Nuclei — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsNuclei1 Mark
Question
Carbon has __________ isotopes.
✓

Answer

  1. 3 (three)
Explanation:
Carbon has three isotopes $12​\text{C}\\ \ 6$, $13​\text{C}\\ \ 6$ and $14​\text{C}\\ \ 6$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Nuclei→Nuclei — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

100 mA current gives a full scale deflection in a galvanometer of 2Ω  resistance. The resistance connected with the galvanometer to convert it into a voltmeter to measure 5V is(a) 98 Ω  (b) 52 Ω(c) 50 Ω   (d) 48 Ω
       
→
 Dielectrics are _____________?
→
A solenoid has an inductance of $60$ henrys and a resistance of $30$ ohms. If it is connected to a $100$ volt battery, how long will it take for the current to reach $\frac{e{-1}}{e} \approx 63.2 \%$  of its final value
→
An electron oscillating with a frequency of $3 \times 10^6 Hz,$ would generate:
→
The de$-$Broglie wavelength of a tennis ball of mass $66 g$ moving with the velocity of $10$ metre per second approximately:
→
Light is a electromagnetic wave. It was established by :
→
The inverse square law of intensity $\Big(\text{i.e., the intensity}\propto\frac{1}{\text{r}^2}\Big)$ is valid for a:
  1. Point source.
  2. Line source.
  3. Plane source.
  4. Cylindrical source.
→
Heavy water is used as moderator in a nuclear reactor. The function of the moderator is(a) To control the energy released in the reactor(b) To absorb neutrons and stop chain reaction(c) To cool the reactor faster(d) To slow down the neutrons to thermal energies
 
 
 
 
→
A dip needle lies initially in the magnetic meridian when it shows an angle of dip $\theta$ at a place. The dip circle is rotated through an angle $x$ in the horizontal plane and then it shows an angle of dip $\theta^{\prime}.$ Then $\frac{\tan \theta^{\prime}}{\tan _{13} \theta}$
→
The oscillating electric and magnetic vectors of an electromagnetic wave are oriented along
→