Download App

Nuclei — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsNuclei1 Mark
Question
Why do light nuclei always participate in nuclear fusion reaction?
✓

Answer

Light nuclei fuse because they have lower binding energy per nucleon; by fusing into a heavier, more stable nucleus, they increase their binding energy and release a massive amount of energy.

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 "1 Marks Question" 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

How will the focal length of a convex lens change if red light is used instead of violet light?
→
Answer the following:
The top of the atmosphere is at about $400kV$ with respect to the surface of the earth, corresponding to an electric field that decreases with altitude. Near the surface of the earth, the field is about $100Vm^{–1}$. Why then do we not get an electric shock as we step out of our house into the open? $($Assume the house to be a steel cage so there is no field inside!$)$
→
What is the relation between peak value and root mean square value of alternating voltage?
→
One of your friends argues that he has read in the previous chapters that there can be no electric field inside a conductor. And hence there can be no current through it. What is the fallacy of this argument?
→
An electron moving through a field remains undeflected. Is it possible that there is no magnetic field. Explain.
→
Which physical quantity has the unit $Wb/m^2$ ? Is it a scalar or a vector quantity?
→
A biconvex lens made of a transparent material of refractive index 1.25 is immersed in water of refractive index 1.33. Will the lens behave as a converging or a diverging lens? Give reason.
→
A proton and an electron have same kinetic energy. Which one has greater de-Broglie wavelength and why?
→
Which part of electromagnetic spectrum is used in satellite communication?
→
What is the magnitude of magnetic field outside a current carrying solenoid?
→