Question

What fraction of a clockwise revolution does the hour hand of a clock turn through, when

it goes from​

Answer 1

Answer:

We may observe that in 1 complete clockwise revolution, the hour hand will rotate by 360°

(a) When the hour hand goes from 3 to 9 clockwise, it will rotate by 2 right angles or 180° or two right angles

(b) When the hour hand goes from 4 to 7 clockwise, it will rotate by 1 right angles or 90° or one right angle

(c) When the hour hand goes from 7 to 10 clockwise, it will rotate by 1 right angles or 90° or one right angle

(d) When the hour hand goes from 12 to 9 clockwise, it will rotate by 3 right angles or 270° or three right angles.

(e) When the hour hand goes from 1 to 10 clockwise, it will rotate by 3 right angles or 270° or three right angles.

(f) When the hour hand goes from 6 to 3 clockwise, it will rotate by 3 right angles or 270° or three right angles.

Explanation:

When the hour hand goes from 1 to 10 clockwise, it will rotate by 3 right angles or 270° or three right angles.