When an object is placed at the centre of curvature of a ...
When an object is placed at the centre of curvature of a concave mirror, its image is formed at
the focus
infinity
the centre of curvature
a distance twice the radius of curvature
Correct answer is C
No explanation has been provided for this answer.
The general gas law can be written as ...
Which of the following is TRUE of the particles emitted in radioactive disintegration? ...
The instrument used to view stars is the ...
Which of the following are transverse waves? I. Ripples on water II. Sound waves in air III. Li...
When the linear momentum of a body is constant, the net force acting on it ...