Suresh’s motivation is based on the appreciation and recognition he received from his friends and teachers. This indicates an external source of motivation. External motivation is driven by rewards, recognition, or praise from others, unlike internal motivation which comes from within, like personal satisfaction or achieving a goal.
In the adjoining figure, TP and TQ are tangents drawn to a circle with centre O. If $\angle OPQ = 15^\circ$ and $\angle PTQ = \theta$, then find the value of $\sin 2\theta$. 