At sunrise, the sun rises in the east. Since Ajay and Vijay are standing in front of each other, and the shadow of Vijay is formed towards the right hand of Ajay, it means Vijay is facing North. This is because the right side at sunrise corresponds to the North direction when facing the sun.
An object is said to have an n-fold rotational symmetry if the object, rotated by an angle of \( \frac{2\pi}{n} \), is identical to the original.
Which one of the following objects exhibits 4-fold rotational symmetry about an axis perpendicular to the plane of the screen?
A color model is shown in the figure with color codes: Yellow (Y), Magenta (M), Cyan (Cy), Red (R), Blue (Bl), Green (G), and Black (K). Which one of the following options displays the color codes that are consistent with the color model?