A ray of light passing through the centre of curvature of...
A ray of light passing through the centre of curvature of a concave mirror is reflected by the mirror at?
0o
45o
90o
180o
Correct answer is A
No explanation has been provided for this answer.
Which of the following statements is correct about volatile liquids? They have ...
A piece of wood is floating on water. The forces acting on the wood are ...
If the distance between the plates of a parallel plate capacitor is decreased, its capacitance ...
The resultant force of a couple is ………? ...
Which of the following statements about magnetic lines of force is not correct? ...