Mathematical Physics Objective Questions Pdf

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1. NEET Questions
2. Physics
3. Mathematical Tools ( 225 Qs)

Forces of 1 N and 2 N act along with the lines x = 0 and y = 0. The equation of the line along which the resultant lies is given by:

1.  y - 2x = 0

2.  2y - x = 0

3.  y + x = 0

4.  y - x = 0

• (1)

• (2)

• (3)

• (4)

Subtopic:   Resultant of Vectors |

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Component of$3\hat{i}+4\hat{j}$ perpendicular to$\hat{i}+\hat{j}$ and in the same plane as that of$3\hat{i}+4\hat{j}$ is:

1.$\frac{1}{2}(\hat{j}-\hat{i})$

2.$\frac{3}{2}(\hat{j}-\hat{i})$

3.$\frac{5}{2}(\hat{j}-\hat{i})$

4.$\frac{7}{2}(\hat{j}-\hat{i})$

• (1)

• (2)

• (3)

• (4)

Subtopic:   Scalar Product |

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Given that$\overrightarrow{\mathrm{C}}=\overrightarrow{A}+\overrightarrow{B}\mathrm{and}\overrightarrow{\mathrm{C}}$ makes an angle$\mathrm{\alpha }\mathrm{with}\overrightarrow{\mathrm{A}}\mathrm{and}\mathrm{\beta }\mathrm{with}\overrightarrow{\mathrm{B}}$. Which of the following options is correct?

1.$\mathrm{\alpha }\mathrm{cannot}\mathrm{be}\mathrm{less}\mathrm{then}\mathrm{\beta }$

2.$\mathrm{\alpha }<\mathrm{\beta },\mathrm{if}\mathrm{A}<\mathrm{B}$

3.$\mathrm{\alpha }<\mathrm{\beta },\mathrm{if}\mathrm{A}>\mathrm{B}$

4.$\mathrm{\alpha }<\mathrm{\beta },\mathrm{if}\mathrm{A}=\mathrm{B}$

• (1)

• (2)

• (3)

• (4)

Subtopic:   Resultant of Vectors |

Add Note

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If the angle between the vector$\overrightarrow{A}and\overrightarrow{B}$ is$\theta$, the value of the product$\left(\overrightarrow{B}\times \overrightarrow{A}\right).\overrightarrow{A}$ is equal to:

1.$B{A}^2\cos \theta$

2.$B{A}^2\sin \theta$

3.$B{A}^2\sin \theta \cos \theta$

4. zero

• (1)

• (2)

• (3)

• (4)

Subtopic:   Vector Product |

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To view explanation, please take trial in the course below.

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Two forces A and B have a resultant$R_1$. If B is doubled, the new resultant$R_2$ is perpendicular to A. Then

1.$R_1=A$

2.$R_1=B$

3.$R_2=A$

4.$R_2=B$

• (1)

• (2)

• (3)

• (4)

Subtopic:   Resultant of Vectors |

Add Note

To view explanation, please take trial in the course below.

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Choose any one of the following four responses:

1. If both assertion and reason are true and the reason is the correct explanation of the assertion.

2. If both assertion and reason are true but the reason is not the correct explanation of the assertion.

3. If the assertion is true but the reason is false.

4. If the assertion and reason both are false.

Assertion:The graph between P and Q is a straight line when P/Q is constant.

Reason: The straight-line graph means that P proportional to Q or P is equal to constant multiplied by Q.

1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
3. If the assertion is true but the reason is false
4. If both the assertion and reason are false

• (1)

• (2)

• (3)

• (4)

Subtopic:   Co-ordinate geometry |

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Two forces of magnitude F have a resultant of the same magnitude F. The angle between the two forces is

(1) 45°

(2) 120°

(3) 150°

(4) 60°

Q 7 :

  72 % From NCERT PMT - 1990

• (1)

• (2)

• (3)

• (4)

Subtopic:   Resultant of Vectors |

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Two forces with equal magnitudes F act on a body and the magnitude of the resultant force is F/3. The angle between the two forces is

(1) ${\cos }^{-1}\left(-\frac{{\displaystyle 17}}{{\displaystyle 18}}\right)$

(2) ${\cos }^{-1}\left(-\frac{{\displaystyle 1}}{{\displaystyle 3}}\right)$

(3) ${\cos }^{-1}\left(\frac{{\displaystyle 2}}{{\displaystyle 3}}\right)$

(4) ${\cos }^{-1}\left(\frac{8}{9}\right)$

Q 8 :

  73 % From NCERT PMT - 1999

• (1)

• (2)

• (3)

• (4)

Subtopic:   Resultant of Vectors |

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To view explanation, please take trial in the course below.

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Two forces are such that the sum of their magnitudes is 18 N and their resultant is perpendicular to the smaller force and magnitude of resultant is 12 N. Then the magnitudes of the forces are

1. 12 N, 6 N

2. 13 N, 5N

3. 10 N, 8 N

4. 16 N, 2 N

• (1)

• (2)

• (3)

• (4)

Subtopic:   Resultant of Vectors |

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If two forces of 5 N each are acting along X and Y axes, then the magnitude and direction of resultant is

(1) $5\sqrt{2},\pi /3$

(2) $5\sqrt{2},\pi /4$

(3) $-5\sqrt{2},\pi /3$

(4) $-5\sqrt{2},\pi /4$

• (1)

• (2)

• (3)

• (4)

Subtopic:   Resultant of Vectors |

Add Note

To view explanation, please take trial in the course below.

NEET 2022 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2022 - Target Batch - Aryan Raj Singh

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Mathematical Physics Objective Questions Pdf

Source: https://www.neetprep.com/questions/55-Physics/676-Mathematical-Tools

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