A ray of light is incident on a convex mirror as shown. Redraw the diagram and complete the path of this ray after" reflection from the mirror. Mark angle of incidence and angle of reflection on it.

What is DNA?

List two biotic components of a biosphere.

What is an oxidizing agent? What happens when an oxidizing agent is added to propanol? Explain with the help of a chemical equation.

Name any two elements of group one and write their electronic configurations. What similarity do you observe in their electronic configurations? Write the formula of oxide of any of the aforesaid element.