Directions: Write TRUE if the underlined word is correct and if not write the correct answer.

_26. Reflection of waves from the surface of the medium.

_27. Rectilinear propagation is when the light inside an unchanging medium.

28. Motion detectors helps a lot to know the moves of an object

_29. Uniformly accelerated motion is the motion in which the acceleration remains constant

_30. Horizontal motion is the most common type of motion.

31. Motion graphs are important because they tell you the distance a body has traveled, its speed and all the speed changes that have been taken.

_32. Velocity is a vector quantity, which includes not only the rate but also the direction the object takes.

_33. A sound is a travelling disturbance. WAVE

_34. Waves carry energy from one location to another.

_35. Sound waves are examples of transverse waves.​