At which region of magnet or Magnetic Strength is high???​

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

12. ritu obtained a distinct image of a distant tree on the screen with the of a concave mirror. to find the focal length of the mirror she has to measure the distance between: (a) mirror and the tree. (b) screen and the tree.(c) mirror and the screen. (d) mirror and tree as well as between screen and the tree.