`gamma`-ray from Cobalt-60 is used for th treatement of cancer.

The one used for treatment of thyroid cancer is

one of the following is used for treatment of thyroid cancer

_____ is used as a medicine for breast cancer.

Name two alkaloid present in Catharanthus helpful in treatement of Cancer?

In an accelerator experiment on high energy collisions of electrons with positrons, a certain event is interpreted as annihilation of an electron-positron pair of total energy 10.2 Gev into two gamma -rays of equal energy . What is the wavelength associated with each gamma - rays?(1GeV = 10^(9)eV )

Arrange alpha , beta and gamma -rays, ascending order of their penetrating power.

Arrange the alpha,beta and gamma -rays in the order indicated-(i) increasing extent of deflection by a magnetic field (ii) decreasing power of ionise gases.

A ray of light falls normally on one side other than the hypotenuse of a right angled isosceles prism of refractive index 1.5. From which side will the ray emerge from the prism? Find the deviation of the incident ray.

beta -ray emitted from a radioactive elemednt is -