Electricity — Physics STD 10 — Question

Under what condition will a set of gears produce a gain in speed

Energy can exist in several forms and may change from one form to another. For the following, state the energy changes that occur in:
the unwinding of a watch spring

State the energy transformation on the following:
Electricity is obtained from wind energy.

Define work.

Name the radiations whose wavelength range is from 100 Å to 4000 Å (or 10 nm to 400 nm).

State the energy changes in the following case while in use:
a solar cell

Classify the following into lever as class I, class II or class III of a catapult ?

In the following cases, where must an object be placed in front of a convex lens so that the image formed is inverted and enlarged .

What are damped vibrations?

State expression for Resistance connected in parallel.