General Knowledge: Physics Questions Answer GK Quiz

Physics Question Answer 2025, Physics Quiz Questions 2025

Q. All of the following are examples of chemical changes except the -
1) magnetizing of iron
2) rusting of iron
3) digestion of food
4) souring of milk

View Answer

Q. The isotopes of an element contain the same number of -
1) neutrons and protons
2) protons but different number of neutrons
3) neutrons and protons but different number f electrons
4) neutrons and electrons but different number of protons

View Answer

Q. Pressure cooker cooks rice faster because -
1) it always lets the steam escape
2) high pressure crushes the hard covering of rice grains
3) it does not let the heat energy escape easily
4) high pressure raises the boiling point of water

View Answer

Q. Which of the following is a physical change?
1) Oxidation
2) Reduction
3) Decomposition
4) Sublimation

View Answer

Q. If the speed of rotation of the earth increases, the weight of the body -
1) increases
2) remains unchanged
3) decreases
4) may decrease or increase

View Answer

Q. The free surface of a liquid behaves like a sheet and tends to contract to the smallest possible area due to the -
1) Force of adhesion
2) Force of friction
3) Centrifugal force
4) Force of cohesion

View Answer

Q. The steel of more elastic than rubber because -
1) its density is high
2) it is a metal
3) the ratio of stress to strain is more
4) the ratio of stress to strain is less

View Answer

Q. A transistor is most likely to be found in a -
1) Fuse
2) Fluorescent lamp
3) Hearing aid
4) Wristwatch

View Answer

Q. Radioactive substances can be produced readily in -
1) an electron gun
2) an atomic pile
3) a transistor
4) a Wilson cloud chamber

View Answer

Q. The volume of which of the following materials decreases when it is heated from 0° C to 5° C?
1) Air
2) Copper
3) Water
4) Mercury

View Answer

Career Scope in Interior Design

Interior design is a fun and creative field. It mixes art and practicality to make spaces look good and work well. With more people wanting great places to live and work, the need for skilled interior designers is rising. Let’s look at what it takes to have a career in interior design, including nee →

Commonwealth of Independent States (CIS)

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 →

What is Bitcoin?

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 →

Food Safety and Standards Authority of India (FSSAI)

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 →