Q. When the nucleus of uranium is bombarded with neutrons, it breaks up into two of nearly equal mass. This process is called -
1) Radiation
2) Fusion
3) Fission
4) Emission
Q. Two glass lenses of same focal length, one being convex and the other concave, are kept in contact, the combination will act as -
1) convergent lens
2) divergent lens
3) plane glass sheet
4) mirror
Q. The working of LED system is based on which principle?
1) Fluorescence
2) Phosphorescence
3) Electroluminescence
4) None of the above
Q. Which of the following causes more severe bums?
1) Boiling water
2) Hot water
3) Steam
4) Melting iceberg
Q. What is true for RADAR?
1) This is a technique to see hidden objects
2) This is a method to detect fighter planes
3) This is method to send coded message
4) This method is only for night vision
Q. In which kind of pot food will be cooked faster?
1) Steel
2) Copper
3) Silver
4) Bronze
Q. Which kind of engine is likely to have minimum pollution?
1) Petrol engine
2) Gas engine
3) Diesel engine
4) Kerosene engine
Q. Diamond is hard because -
1) It cannot be burnt
2) It is made up of carbon atoms
3) It is a giant molecule
4) All the four valence electrons are bonded to each carbon atom by covalent bonds
Q. Which of the following is the strongest force in nature?
1) Gravitational force
2) Nuclear force
3) Electrostatic force
4) Magnetic force
Q. Which of these scientists does not have a chemical element on the periodic table named after him?
1) Albert Einstein
2) Alfred Nobel
3) Enrico Fermi
4) Thomas Edison
IntroductionAre you passionate about sports but don't see yourself as an athlete? Do you find the business side of sports fascinating? A career in sports management could be your winning ticket! This field combines business, sports, and management, offering dynamic roles that go far beyond the field →
Foundation Date: December 8, 1991 Headquarters: The Republic of Belarus Executive Secretaries: Sergei Lebedev Member Countries: 12 Commonwealth of Independent States (CIS) was established on December 8, 1991, and the leaders of the Republic of Belarus, the Russian Federation, and Ukraine signed an a →
In 2009, an unknown programmer by the name of Satoshi Nakamoto put forward a whitepaper that proposed a creation of new form of digital currency - cryptocurrency. Cryptocurrency functions the same way as regular currencies do in that its used as a means of exchange, unit of account and a store of va →
Headquarter: New Delhi Function and Objective of the Organization: The Food Safety and Standards Authority of India (FSSAI)has been established under Food Safety and Standards Act, 2006 which consolidates various acts & orders that have hitherto handled food-related issues in various Ministries →
If you contribute your content to our site. Please mail us your content to editor@onlinegk.net