Physics
Grade-7
Easy
Question
Which of the following statements is/are correct about the waves?
I. Waves are patterns of disturbance that move without the actual physical transfer of flow of matter.
II. Waves cannot transport energy.
III. The pattern of disturbance in the form of waves carries information that propagates from one point to another.
IV. All our communications essentially depend on the transmission of signals through waves.
- Only IV
- I, III, and IV
- I, II, and III
- I and III
Hint:
I, III and IV
The correct answer is: I, III, and IV
waves transport energy from one location to another.
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