
Coherent and incoherent addition of light waves of class 12 chapter wave optics CBSE
for the music show rehearsal a studio allocated 10/3 hours for practice and there are 5 students who need to practice if each of the student gets the same time of rehearsal how much time each get
Express sin 67°+cos 75° in term of trigonometric ratio of angle between 0° and 45°.