An object is placed on the principal axis and at the cent...
An object is placed on the principal axis and at the centre of curvature of a concave mirror, the image of the image formed by the mirror is
real and magnified
real and inverted
erect and magnified
erect and virtual
Correct answer is B
No explanation has been provided for this answer.
Which of the following can be described as high tension transmission? ...
An electric bell operated within an evacuated bell jar enables us to infer correctly that ...
Young’s modulus of elasticity is the ratio of stress to strain, provided the load does not exc...