MCQ practice · SSC Physics Board questions · Chapter 3: Force
"Electroweak force" is the combined form of which two forces?
Think it through first, then pick an option.
- a Electromagnetic force and gravitational force
- b Electromagnetic force and weak nuclear force
- c Electromagnetic force and strong nuclear force
- d Strong nuclear force and weak nuclear force
Answer and explanation
Correct answer: b Electromagnetic force and weak nuclear force
The electromagnetic and weak nuclear forces have been explained by a single law, called the electro-weak force.
Why the other options are wrong
- a Electromagnetic force and gravitational force: Gravity is not part of this combined law yet; the book keeps it as a separate kind of force.
- c Electromagnetic force and strong nuclear force: The strong force is not part of it; the book keeps the strong force in the separate nuclear group.
- d Strong nuclear force and weak nuclear force: The two nuclear forces together do not make the electro-weak force; the electromagnetic force is needed in it.
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