CBSE 12th Physics (Term 1) Paper 2021-22

MCQ (Single Correct Answer)

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The horizontal component of earth's magnetic field at a place is 0.2 G whereas it's total magnetic field is 0.4 G. The angle of dip at the place is

30$$^\circ$$

45$$^\circ$$

60$$^\circ$$

90$$^\circ$$

CBSE 12th Physics (Term 1) Paper 2021-22

MCQ (Single Correct Answer)

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Which of the following statements is correct?

Magnetic field lines do not form closed loops.

Magnetic field lines start from north pole and end at south pole of a magnet.

The tangent at a point on a magnetic field line represents the direction of the magnetic field at that point.

Two magnetic field lines may intersect each other.

CBSE 12th Physics (Term 1) Paper 2021-22

MCQ (Single Correct Answer)

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-0

A bar magnet has magnetic dipole moment $$\overrightarrow M $$. Its initial position is parallel to the direction of uniform magnetic field $$\overrightarrow B $$. In this position, the magnitudes of torque and force acting on it respectively are -

0 and MB

MB and MB

0 and 0

| $$\overrightarrow M $$ $$\times$$ $$\overrightarrow B $$ | and 0

CBSE 12th Physics (Term 1) Paper 2021-22

MCQ (Single Correct Answer)

+0.77

-0

Assertion (A) : The poles of a bar magnet cannot be separated.

Reason (R) : Magnetic monopoles do not exist.

Both (A) & (R) are true and (R) is correct explanation of (A).

Both (A) & (R) are true and (R) is not correct explanation of (A).

(A) is true but (R) is false.

(A) is false and (R) is also false.

Class 12 Subjects

Physics

Electromagnetism

Electrostatics Current Electricity Capacitor Magnetic Effect of Current Magnetic Properties of Matter Electromagnetic Induction Alternating Current Electromagnetic Waves

Optics

Geometrical Optics Wave Optics

Modern Physics

Atoms and Nuclei Dual Nature of Radiation Semiconductor

Chemistry

Physical Chemistry

Solutions Electrochemistry Chemical Kinetics

Inorganic Chemistry

d and f Block Elements Coordination Compounds

Organic Chemistry

Haloalkanes and Haloarenes Alcohols, Phenols and Ethers Aldehydes, Ketones and Carboxylic Acids Amines Biomolecules

Mathematics

Relations and Functions

Relations and Functions Inverse Trigonometric Function

Calculus

Continuity and Differentiability Application of Derivatives Indefinite Integration Definite Integration Application of Integration Differential Equations

Algebra

Matrices Determinants Probability Vector Algebra Three Dimensional Geometry