MCQ
Energy in the sun is generated mainly by
- AFusion of radioactive material
- BFission of helium atoms
- CChemical reaction
- ✓Fusion of hydrogen atoms
✓
Answer
Correct option: D.
Fusion of hydrogen atoms
d
(d)Fusion is the main process of energy production in the sun.
(d)Fusion is the main process of energy production in the sun.
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
A liquid can easily change its shape but a solid can not because.
A circular loop of radius R carrying current I lies in x-y plane with its centre at origin. The total magnetic flux through x-y plane is
The bond, that exists in a semiconductor is:
The charge on the capacitors of capacitance $10\,\mu F$ and $24\,\mu F$ steady state will be
→The ratio of secondary to primary turns is $9:4.$ If power input is $P$, what will be the ratio of power output (neglect all losses) to power input
→The length of Milky way is
A uniform magnetic field exists in the region given by $\vec{B}=3 \hat{i}+4 \hat{j}+5 \hat{k}$. A rod of length $5 \,m$ placed along $y-$ axis is moved along $x$-axis with constant speed $1 \,ms ^{-1}$. Then induced e.m.f. in the rod is ......... $V$
→$A$ battery is of $\mathrm{emf}$ $E$ is being charged from a charger such that positive terminal of the battery is connected to terminal $A$ of charger and negative terminal of the battery is connected to terminal $B$ of charger. The internal resistance of the battery is $r$.
→A radioactive element $ThA (_{84}Po^{216})$ can undergo $\alpha$ and $\beta$ are type of disintegrations with half-lives, $T_1$ and $T_2$ respectively. Then the half-life of ThA is
→Refractive index of glass is $\frac{3}{2}$ and refractive index of water is $\frac{4}{3}$. If the speed of light in glass is $2.00 \times {10^8} m/s,$ the speed in water will be
→