Question

Choose the incorrect statement regarding wind power
(a) It is expected to harness wind power to minimum in open space
(b) The potential energy content of wind blowing at high altitudes
is the source of wind power
(c) Wind hitting at the blades of a windmill causes them to rotate
The rotation thus achieved can be utilised further
(d) One possible method of utilising the energy of rotational
motion of the blades of a windmill is to run the turbine of an
electric generator

NCERT Class X
Science - Exemplar Problems

Chapter_Sources of
Energy

Answer 1

the incorrect answer is b as all others are correct.

Answer 2

option b is incorrect