Per NCERT, how is the SI unit of energy 'joule' related to its namesake — James Prescott Joule?
AJoule invented joules as a marketing term
BThe joule honours Joule's work on relating mechanical energy and thermal energy, which helped develop a unified concept of energy
CJoule founded the Royal Society
DJoule was the first to weigh atoms
Answer & Solution
Correct answer: B. The joule honours Joule's work on relating mechanical energy and thermal energy, which helped develop a unified concept of energy
Per NCERT 'Meet a Scientist' box (Ch 7), the joule is named after James Prescott Joule for his work on mechanical–thermal energy conversion.
Related questions
Per NCERT, an object with mass 2 kg moving at 10 m/s has what KINETIC ENERGY?Per NCERT, energy can be transferred to an object by mechanical work, heat, light, or sounPer NCERT, what happens to the KE of a moving ball when a goalkeeper STOPS it (the ball coPer NCERT, a fielder throws a cricket ball that hits the wickets and knocks them down. ThePer NCERT, if the MASS of an object doubles (while its speed stays the same), how does itsPer NCERT, if the SPEED of an object DOUBLES (while its mass stays the same), how does itsPer NCERT, what is the formula for the KINETIC ENERGY of an object of mass m moving at spePer NCERT, what is KINETIC ENERGY?