Name the radiations which can be detected by a thermopile.

Name the radiation which can be detected by (a) a thermopile (b) a solution of silver chloride.

Urea can be detected by

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.

Name the cations which can be identified by flame test.

Name the radiations which are absorbed by the green house gases in the earth's atmosphere.

Ultrasound can be detected by:

How will you prepare Lassaigne's extract ? Name the elements which can be detected from this extract.

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.

Roundwarm infection can be detected by

Infrared radiation is detected by