JEE Main 2022
Question : In 1785, who used the calibrated torsion balance to measure the force between electric charges?
Option 1: R. A. Millikan
Option 2: Hans Christian Oersted
Option 3: John Michell
Option 4: Charles-Augustin de Coulomb
Correct Answer: Charles-Augustin de Coulomb
Solution : The correct option is Charles Augustin de Coulomb.
In 1785, the French physicist Charles-Augustin de Coulomb used a calibrated torsion balance to experimentally investigate and measure the force between electric charges. Coulomb's work laid the foundation for understanding electrostatic forces and formulating Coulomb's Law, which describes the quantitative relationship between the magnitudes of electric charges and the force between them.
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Question : Select the most appropriate option to fill in the blank. Thank you for your______ to speak at the conference in March.
Option 1: conclusion
Option 2: invitation
Option 3: inclusion
Option 4: introduction
Correct Answer: invitation
Solution : The correct choice is the second option.
In this context, the appropriate word to complete the sentence is "invitation". The sentence expresses gratitude for an invitation to speak at the conference.
Therefore, the complete sentence is: "Thank you for your invitation to speak at the conference in March.
Hello Rohit,
No there are no certificates like category certificate in OBC , EWS or SC/ST that provides more than 1 year validity. So, you cannot apply for jee mains with the certificate that you have applied in the previous year.
You need to make fresh certificate in the current year which has a validity of one year and which is according to the format in the jee mains official website.
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