Physics MCQs with Answers

B. 22N

C. 25N

D. 30N

{
“@context”: “http://schema.org”,
“@type”: “Question”,
“name”: “Which of the following can not be the resultant of two vectors having magnitude 10N and 15N?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “30N”
}
}

B. 20N & 2N

D. 4N & 1N

{
“@context”: “http://schema.org”,
“@type”: “Question”,
“name”: “Which of the following pair of forces can produce a resultant of 8N?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “3N & 6N”
}
}

B. Two

D. None

{
“@context”: “http://schema.org”,
“@type”: “Question”,
“name”: “What is the minimum number of unequal magnitude vectors required to get a null vector?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Three”
}
}

B. 30°

C. 45°

D. 90°

{
“@context”: “http://schema.org”,
“@type”: “Question”,
“name”: “Angle between the rectangular components of a vector is________?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “90°”
}
}

B. 4N ,2N, 10N

C. 10N, 18N

D. 12N, 5N, 15N

{
“@context”: “http://schema.org”,
“@type”: “Question”,
“name”: “Which of the following group of forces can produce equilibrium?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “12N, 5N, 15N”
}
}

B. Associative Law

C. Distributive Law

D. All of these

{
“@context”: “http://schema.org”,
“@type”: “Question”,
“name”: “Addition of vectors obeys_______law?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “All of these”
}
}

B. Ay= ASin∅

D. None

{
“@context”: “http://schema.org”,
“@type”: “Question”,
“name”: “If a vector Ā is making an angle “∅” with positive y-axis then which of the following is correct.?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Ay= ACos∅”
}
}

B. Subtraction of vectors

C. Multiplication of vectors

D. Resolution of vectors

{
“@context”: “http://schema.org”,
“@type”: “Question”,
“name”: “Which of the following is reverse process of composition of vectors?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Resolution of vectors”
}
}

B. Positive

D. None

{
“@context”: “http://schema.org”,
“@type”: “Question”,
“name”: “Speed of a body can not be_______?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Negative”
}
}

B. Positive

D. None

{
“@context”: “http://schema.org”,
“@type”: “Question”,
“name”: “Speed of a body can not be_______?”,
“acceptedAnswer”: {
“@type”: “Answer”,
“text”: “Negative”
}
}