Sound — Physics STD 10 — Question

Which of the radioactive radiations can cause severe genetical disorders and are deflected by an electric field?

In the following case write yes, if the work is being done and no if no work is being done.
A man moving on the rough ground.

What is electromagnetic induction?

State the position of armature coil relative to the direction of magnetic field, in a D. C. motor when the deflecting couple acting an the coil is maximum.

Energy can exist in several forms and may change from one form to another. For the following, state the energy changes that occur in:
photosynthesis in green leaves.

What is meant by sound ranging?

A light ray is incident from a denser medium on the boundary separating it from a rarer mediuma an angle of incident equal to the critical angle, what is the angle of refraction for the ray?

What do you mean by thermal energy?

Name a machine which is used to change the direction for force applied.

Give an example of the following uses of a machine:
to change the direction of force