The known forces of nature can be divided into four classes, viz., gravity, electromagnetism, weak nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct?
AGravity is the strongest of the four
BElectromagnetism acts only on particles with an electric charge
CWeak nuclear force causes radioactivity
DStrong nuclear force holds protons and neutrons inside the nucleus of an atom
Answer & Solution
Correct answer: A. Gravity is the strongest of the four
UPSC CSE Prelims 2013 (GS-I, Set A), Q.95. Official answer key: A.
Related questions
Chandrayaan-3 (India's lunar mission) achieved a historic FIRST in 2023 by:The double-helix structure of DNA was discovered by:The 'powerhouse of the cell' that produces ATP for energy is:At room temperature, the only metal that exists in the LIQUID state is:The pH of a NEUTRAL solution (pure water at 25°C) is:In the modern periodic table, elements are arranged by:Standard Indian household electricity supply is:The refractive index of a medium is defined as: