64
A loaded test-tube which floats upright in water is carefully and slightly depressed and then released. Which of the following best describes the sub-sequent motion of the test-tube?
- A. Circular
- B. Rotational
- C. Random
- D. Oscillatory
- E. Translational
65
The diagram above represents a portion of a micrometer screw gauge in which the horizontal scale is in millimetres. What is the reading on the instrument?
- A. 3.72mm
- B. 3.50mm
- C. 3.30mm
- D. 3.28mm
- E. 3.22mm