Test: General Awareness - 10 - NDA MCQ

Abu'l Fazl was assassinated while he was returning from the Deccan by Vir Singh Bundela between Sarai Vir and Antri in a plot contrived by Akbar's eldest son Prince Salim.
 

Indica is an account of Mauryan India by Megasthenes. The original book is now lost, but its fragments have survived in later Greek and Latin works.
 

Starting at the Prime Meridian and heading eastwards, the Tropic of Capricorn passes through 10 countries: Namibia, Botswana, South Africa, Mozambique, Madagascar, Australia, Chile, Argentina, Paraguay and Brazil.

Alpha Centauri is the closest star to our solar system.

As per John Locke, Right to Life, Liberty and Property are Natural Right. But Right to vote is not a natural right.

The RESIDEX was first launched in 2007 by the National Housing Bank (NHB) to provide an index of residential prices in India across cities and over time. So, it is associated with land prices.

Calcium Oxalate is a chemical compound that forms envelope shaped crystals, known in plants as raphides. A major constituent of human kidney stones is calcium oxalate.
 

Fats are stored in fat cells known as adipocytes.

Synthetic polymers such as polyethylene, polypropylene, synthetic rubber etc. form macromolecular colloids when dispersed in suitable solvents.
 

Borax is usually used to reduce the alkalinity of the soap solution rather than to soften water. zeolite is used to removes the hardness of the water because the zeolite contains Sodium (Na) and Aluminium (Al) which makes the water soft in nature.

When an object reflects all the colours of a white light, then it would appear white. White light is the combination of all seven colours (VIBGYOR) of light. 

Motion of an oscillating liquid column in a U-tube is called simple harmonic motion with time period independent of on the density of the liquid. 

One end of hairpin shaped detergents attracted to water and other to molecules of oil or grease that reduces drastically the surface tension between water and oil. 

 

Displacement = Shortest distance between initial and final point = 0 
Distance travelled by you = 2 πr 
(Circumference of the circular track) 
= 2×22/7×35=70×22/7=220m 

When current flows through the filament of incandescent electric bulb, it gets heated up. Soon it becomes white hot and starts emitting light. 

 

We know from Newton’s second law of motion 
F_ext=dP/dt when dt is more F_ext will be less. 
The greater the rate of change of momentum, the greater is the force and vice-versa. 

Two layers of a cloth are warmer because air trapped between the layers acts as thermal insulator restricting the heat transfer. 

 

A mobile phone charger is basically a step-down transformer which converts high voltage to low voltage. 

Image formed by a plane and a convex mirror is always erect. Concave mirror forms image both erect and inverted depends on the position of the object from the mirror. 

From the ray diagram, it is very clear that the image of the object placed at infinity from a concave lens is virtual diminished and at the focus of the lens.