Question
The Doppler Effect primarily refers to changes in what
aspect of waves?Solution
The Doppler Effect describes the change in frequency of waves as the distance between the source and the observer changes, a phenomenon observable in both sound and electromagnetic waves.
(p + 3) 2 + (q – 7) 2 + (r + 4)2 = 0, then find the value of p + q – r.
√(92×8 ×52+700) = ?
(x – 6) 2 + (y + 2) 2 + (z – 4) 2 = 0, then find the value of 4x - 3y + z.
What will come in the place of question mark (?) in the given expression?
?2 = (392 × 224) ÷ (112 × 28) + 62
If 5x - 13xy + 6y = 0, find x : y.
  = ?If x = 35, then the value of x5 - 36x4 + 36x3 - 36x2 + 36x - 1 is
If x + y + z = 30, x² + Y² + z² = 460 and x z = y², then find the value of x z?
If ( m+n ) : √ (mn) = 4, m>n , Then find the value of m : n ?
If √k + (1/√k) = 8, then find the value of k + (1/k).