What is Riveting?
Riveting is the act of using rivets to secure two overlapping plates very tightly so that the joint becomes leak-proof.
What is a bimetallic strip?
A bimetallic strip is made from two thin strips of metal which expand by different amounts when heated.
What is evaporation?
The process in which a substance changes its state from the liquid state to the gaseous state without boiling.
What is boiling?
The process in which a substance changes its state from the liquid state to the gaseous state.
What are three types of thermal expansion?
The three types of thermal expansion are: Linear expansion Superficial expansion Cubical expansion
Which mirror is used in solar farms?
Concave mirror
What is the full form of VIBGYOR?
The full form of VIBGYOR is:- Violet, Indigo, Blue, Green, Yellow, Orange, and Red.
What is Dispersion of light?
The splitting of white light into its constituent seven colours is called dispersion of light.
What is a virtual image?
A virtual image is one in which the light rays do not really pass through the image point but appear to diverge from that point.
What is a real image?
A real image is one in which light rays actually intersect or pass through the image point.