Science Fill in the blank

A hydrogen bomb is based on the principle of _____.

The energy released in a nuclear fission process is about ______

The total nuclear power operating sites in India is _____.

The first nuclear reactor built in India was _____.

India’s 1st nuclear power station is _____.

The abbreviation of BARC is _____.

_____ is used to remove the heat produced in the reactor core, to produce steam.

Radioactive materials should be kept in a thick – walled container of _____.

When the body is exposed to about 600 R, it leads to _____.

The age of the earth, fossils, old paintings and monuments can be determined by _____. technique.

_____ are used to sterilize the surgical devices as they can kill the germs and microbes.

Radio cobalt (Co60) and radio gold (Au198) are used in the treatment of _____.

_____ is used to diagnose anaemia and also to provide treatment for the same.

_____ is used to cure goitre.

_____ isotope is used to detect the presence of block in blood vessels and also used for the effective functioning of the heart.

Fissionable material is a radioactive element, which undergoes fission in a sustained manner when it absorbs a _____.

The average energy released in each fission process in about _____.

In radioactive radiation, which one is travel with the speed of light _____.

In γ radiation, the charge of each gamma particle is _____.

In α radiation, the charge of each alpha particle is _____.

In β-decay the atomic number increases by ____ unit and mass number _____.

During the α decay process, the atomic number is ______ by 2 and the mass number is decreases by _____.

The radioactive displacement law is framed by _____.

One Rutherford (Rd) is equal to ______ disintegrations per second.

One Curie is equal to _____ disintegrations per second.

Spontaneous radioactivity is also known as _____.

______ is an controlled manner.

The element whose atomic number is less than 83 undergoes _____.

_____ are the example of artificial (or) man-made radioactive elements.

______ radioactive material is present in the ore of pitchblende.

The element whose atomic number is more than 83 undergoes _____.

_____ is an spontaneous process.

The radioactive elements emit harmful radiations are ____, ____, ____ rays.

Ernest Rutherford explained that the mass of an atom is concentrated in its central part called _____.

The chargeless particles are called neutron, it was discovered by _____.

Positive rays discovered by _____.

Cathode rays are discovered by _____.