Brass gets discoloured in air because of the presence of what gases in the air?
What is Hydrogen sulphide.
100
According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
What is true.
100
When was the computer made?
What is 1613.
100
20 % of 2 is equal to...
What is 0.4.
100
What is 0 degrees longitude on a map?
What is Prime Meridian.
200
What is a non metal that remains liquid at room temperature?
What is Bromine.
200
The friction experienced by a body, when in motion, is known as...
What is dynamic friction.
200
In which decade was the American Institute of Electrical Engineers (AIEE) founded?
What is 1880s.
200
The population of a country increased by an average of 2% per year from 2000 to 2003. If the population of this country was 2 000 000 on December 31, 2003, then the population of this country on January 1, 2000, to the nearest thousand would have been...
What is 1,846,000
200
Egypt is actually on 2 continents. But, most of Egypt resides on which continent?
What is Africa.
300
Chlorophyll is a naturally occurring chelate compound in which central metal is...
What is magnesium.
300
Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the ball with velocity v is made to struck the second ball. Both the balls after impact will move with a velocity..
What is v/2.
300
What is part of a database that holds only one type of information?
What is Field.
300
What is the next prime number after 7?
What is 11.
300
A set of lines on a map that run from east and west (horizontally) are called...
What is lines of latitude.
400
What is used in pencils?
What is Graphite.
400
The term 'force' may be defined as an agent which produces or tends to produce, destroys or tends to destroy motion.
What is Agree.
400
'OS' computer abbreviation usually means ?
What is Operating System.
400
What is another name for the perimeter of a circle
What is circumference.
400
A small branch off of a river, that flows into it is called a...
What is a tributary.
500
What metal forms an amalgam with other metals?
What is Mercury.
500
The coefficient of restitution for elastic bodies is one.
What is Incorrect.
500
In which decade with the first transatlantic radio broadcast occur?
What is 1900s.
500
What is the next number in the Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ?
What is 55.
500
Today, Scandinavia comprises what three countries?