The figure shows the orientation of two vectors u and v in the XY plane.
Which of the following is correct?
1. a and p are positive while b and q are negative.
2. a, p and b are positive while q is negative.
3. a, q and b are positive while p is negative.
4. a, b, p and q are all positive.
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe component of a vector r along the X-axis will have maximum value if:
1. r is along the positive Y-axis
2. r is along the positive X-axis
3. r makes an angle of 45o with the X-axis
4. r is along the negative Y-axis
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the quantities of pressure, power, energy, impulse, gravitational potential, electric charge, temperature and area. Out of these, the only vector quantities are
1. impulse, pressure, and area
2. impulse and area
3. area and gravitational potential
4. impulse and pressure
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThree vectors A, B, and C add up to zero. Then:
(a) vector (A×B)×C is not zero unless vectors B and C are parallel.
(b) vector (A×B).C is not zero unless vectors B and C are parallel.
(c) if vectors A, B and C define a plane, (A×B)×C is in that plane.
(d) (A×B).C = |A||B||C| C2 = A2 + B2
The incorrect statement/s is/are:
1. (b, d)
2. (a, c)
3. (b, c, d)
4. (a, b)
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIt is found that |A + B| = |A|. This necessarily implies:
1. B = 0
2. A, B are antiparallel
3. A and B are perpendicular
4. A.B ≤ 0
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf |A| = 2 and |B| = 4, then match the relations in column I with the angle θ between A and B in column II.
Column I | Column II | ||
(a) | AB = 0 | (i) | θ = 0 ° |
(b) | AB = 8 | (ii) | θ = 90 ° |
(c) | AB = 4 | (iii) | θ = 180 ° |
(d) | AB = -8 | (iv) | θ = 60 ° |
Choose the correct answer from the options given below:
1. (a)–(iii), (b)-(ii), (c)-(i), (d)-(iv)
2. (a)–(ii), (b)-(i), (c)-(iv), (d)-(iii)
3. (a)–(ii), (b)-(iv), (c)-(iii), (d)-(i)
4. (a)–(iii), (b)-(i), (c)-(ii), (d)-(iv)
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor two vectors A and B, |A+B|=|A - B| is always true when:
(a) |A| = |B| 0
(b)
(c) |A| = |B| 0 and A and B are parallel or antiparallel.
(d) when either |A| or |B| is zero.
Choose the correct option/s:
1. (a, d)
2. (b, c)
3. (b, d)
4. (a, b)
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology