What is law of diminishing returns to a factor or diminishing marginal

1.	What is law of diminishing returns to a factor or diminishing marginal product ?
Answer» <html><body><p><br/></p>Answer :The law states, if we keep increasing the <a href="https://interviewquestions.tuteehub.com/tag/employment-25669" style="font-weight:bold;" target="_blank" title="Click to know more about EMPLOYMENT">EMPLOYMENT</a> of an <a href="https://interviewquestions.tuteehub.com/tag/input-11237" style="font-weight:bold;" target="_blank" title="Click to know more about INPUT">INPUT</a>, with other input <a href="https://interviewquestions.tuteehub.com/tag/fixed-457597" style="font-weight:bold;" target="_blank" title="Click to know more about FIXED">FIXED</a>, additionaloutput of that input will start falling. i.e., when <a href="https://interviewquestions.tuteehub.com/tag/mp-565167" style="font-weight:bold;" target="_blank" title="Click to know more about MP">MP</a> falls (positively,zero and negative) after a <a href="https://interviewquestions.tuteehub.com/tag/certain-407894" style="font-weight:bold;" target="_blank" title="Click to know more about CERTAIN">CERTAIN</a> level.</body></html>

What is law of diminishing returns to a factor or diminishing marginal product ?