Reflection of Light Rays on a Reflecting Surface:
When a light ray strikes a surface separating two media with different optical properties, part of the light energy is reflected back to the media where...
Law of conservation of energy - Energy can neither be created nor be destroyed; it can only be transformed from one form to another.
Consider a body of mass m placed at A.
h = AB is the height of...
Q) 2x + 3y = 13; 4x + 5y = 23?
Ans: Now take LHS of both the equations and cross multiply and subtract. We get 3*4-5*2 = 2. Let it be 'a'.
Now to find x neglect the x terms and cross multiply the other...
To solve any mathematical problem follow the steps as stated below.
Read the problem clearly to identify the information provided and the part to be solved.
Represent the data or information you read...