Current Electricity — Physics STD 10 — Question

A mixture of radioactive substance gives off three types of radiation name the radiation which has the highest ionizing power.

Can a concave lens form an image of size two times that of the object? Give reason?

Name the phenomenon responsible in the following case:
Apparent bending of a stick in water

A mixture of radioactive substance gives off three types of radiation name the radiation which has the highest speed.

Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A compressed spring

If, in a central heating system, steam enters a radiation pipe at 100°C and water leaves the radiation pipe at 100°C, can this radiation pipe heat a room? Give an explanation for your answer.

What are the different methods by which you can increase the stability of a body?

Can we destroy every energy associated with a body?

A mixture of radioactive substance gives off three types of radiation name the radiation which when becomes neutral, become the atom of rare gas.