If the image formed in a mirror is always erect (upright) and equal in size to the object, the mirror is a flat mirror (plane mirror). Flat mirrors reflect light without distorting the image, producing an erect image that is the same size as the object and reversed from left to right.

Garden Reach Shipbuilders and Engineers Limited (GRSE) is one of India’s leading shipyards, located in Kolkata, West Bengal. It builds and repairs commercial and navals vessels. Founded in 1884 as a small privately owned company on the Eastern Bank of the Hughly river, it was renamed as Garden Reach Workshop in 1916. The company was nationalised by the Government of India in 1960.

The Richter magnitude scale (often shortened to Richter scale) was developed to assign a single number to quantify the energy that is released during an earthquake. An earthquake (also known as a quake, tremor or temblor) is the result of a sudden release of energy in the Earth’s crust that creates seismic waves.

convex lenses are used in the human eye to help focus light onto the retina, allowing us to see clearly. The natural lens in the human eye is flexible and can change its shape, allowing it to adjust the focal length and focus on objects at different distances. This process is called accommodation and is essential for clear vision.

Multiple Independently Targetable Reentry Vehicle (MIRV) warhead is a collection of separate warheads. By contrast a unitary warhead is a single warhead on a single missile.

All of the following are matched. 

(A) DPT - Vaccine

(B) DOTS - Tuberculosis 

(C) Adrenaline - Hormone