Answer the following questions.
(a) Name the radiation of zero mass.
(b) Name the radiation which has the lowest ionising power.
( c) Name the radiation which has the lowest penetrating power.

Which has the lowest boiling point?

A radioactive source emits three type of radiations. (a) Name the three radiations. (b) Name the radiations which are deflected by the electric field. ( c) Name the radiation which is most penetrating. (d) Name the radiation which travels with the speed of light. (e) Name the radiation which has the highest ionising power. (f) Name the radiation consisting of the same kind of particles as the cathode rays.

Which one has the lowest value

Name the radiations which can be detected by a thermopile.

A mixture of radioactive substances gives off three types of radiations : Name the radiation which has the highest ionizing power.

Which of the following is a case of adaptive radiation?

Which has lowest wavelength :-

Which of the following is not shortwave radiation?

Which of the following has the lowest boiling point ?

Which of the following has the lowest boiling points?