Waec Physics Past Questions For Year 2022
Question 6
An example of a mechanical wave is---------
- A. water waves
- B. radio waves
- C. x-rays
- D. light rays
Question 7
Which of the following statement(s) is/are correct about a fixed mass of gas compressed in an inexpansible container;
I. The average speed of the molecules increases
II. The temperature of the gas increases
III. The molecules hit the walls of the container more often than before the compression
- A. The average speed of the molecules increases
- B. I only
- C. I and II only
- D. I, II, and III only
- E. I and III
Question 8
The joule is equivalent to?
- A. Kg m\(^{2}\) s\(^{-1}\)
- B. Kg\(^{2}\) m s\(^{-2}\)
- C. Kg m\(^{2}\) s\(^{-2}\)
- D. Kg m s\(^{-1}\)
Question 9
The correct relationship between the displacement, s, of a particle initially at rest in a linear motion and the time, t, is?
- A. s \(\alpha\) t\(^{-2}\)
- B. s \(\alpha\) t\(^{-1}\)
- C. s \(\alpha\) t
- D. s \(\alpha\) t\(^{2}\)
Question 10
Which of the illustrated graphs above represents a body moving with uniform retardation?
- A. A
- B. B
- C. C
- D. D
