MCQ
Age of a tree is determined using radio-isotope of
  • Carbon
  • B
    Cobalt
  • C
    Iodine
  • D
    Phosphorus

Answer

Correct option: A.
Carbon
a
(a) Carbon dating

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

Similar questions

When $\mathrm{U}^{235}$ is bombarded with one neutron, the fission occurs and the products are three neutrons, $36^{\mathrm{Kr}^{94}}$ and
In annihilation process, in which an electron and a positron transform into two gamma rays, which property of electric charge is displayed?
The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is
An electron with kinetic energy $K _{1}$ enters between parallel plates of a capacitor at an angle $'\alpha'$ with the plates. It leaves the plates at angle $' \beta '$ with kinetic energy $K _{2}$. Then the ratio of kinetic energies $K _{1}: K _{2}$ will be ....... .
The temperature bellow which a material becomes a superconductor is called:
$A$ concave spherical surface of radius of curvature $10cm$ separates two medium $x$ & $y$ of refractive index $4/3$ & $3/2$ respectively. If the object is placed along principal axis in medium $X$ then
The ratio of intensities at two points $P$ and $Q$ on the screen in a Young's double slit experiment where phase difference between two wave of same amplitude are $\pi / 3$ and $\pi / 2$, respectively are
A magnet is dropped down an infinitely long vertical copper tube
Two slits are separated by $0.3\, mm$. $A$ beam of $500\, nm$ light strikes the slits producing an interference pattern. The number of maxima observed in the angular range $- 30^o < \theta < 30^o.$
If the number of turns and radius of cross section of the coil of a tangent galvanometer are doubled, then the reduction factor $K$ will become