Deduction of formula for concave mirror अवतल दर्पण के लिए सूत्र का निगमन
31:26
Chemical name of bleaching powder, method of preparation, physical properties, chemical properties
18:39
What do you understand by esterification
15:56
When the object is between the pole and focus of the mirrorजब वस्तु दर्पण के ध्रुव तथा फोकस...
18:24
Where will the image of the object be formed when the object is between the center of curvature.
11:09
When the object is in focus and at the focus plane.जब वस्तु फोकस तथा फोकस तल पर हो
11:45
When the Boject is at Infinity जब वस्तु अनंत पर हो
25:36
MOST IMPORTANT LONG QUESTION FOR BIHAR BOARD ( दर्पण सूत्र का सत्यापन )
10:21