Two mirrors M1 and M2 are inclined at right angles as sho...
Two mirrors M1 and M2 are inclined at right angles as shown above calculate the angle of reflection of the ray of light at M2
30∘
45∘
60∘
90∘
Correct answer is C
No explanation has been provided for this answer.
A sealed flask contains 600cm3 of air at 27°C and is heated to 35°C at constant pressure. Th...
Radio carrier waves are generated by causing electrons to oscillate rapidly in...
Which of the following statement about viscosity is not true? it ...
Which of the following has no effect on radiation? ...