 CBSE Board Exams 2021-22: Class 10, 12 sample papers for Term I released CBSE Class 12 Physics Sample Paper 2021-2022 for Term 1 along with its marking scheme is provided here. Both are available for download in PDF so that students can access these important resources. The sample paper will help you to know how different types of MCQs will be asked in the paper. You will also get a rough idea of ​​the difficulty level of the paper. With the CBSE Marking Scheme, you will be able to check the correct answers to all the questions. Practice all questions thoroughly to perform well in your CBSE 12 Physics Term 1 Exam 2021-2022.

General Instructions:

1. The Question Paper contains three sections.
2. Section A has 25 questions. Attempt any 20 questions.
3. Section B has 24 questions. Attempt any20 questions.
4. Section C has 6 questions. Attempt any 5 questions.
5. All questions carry equal marks.
6. There is no negative marking.

SECTION A

This section consists of 25 multiple choice questions with overall choice to attempt any 20 questions. In case more than desirable number of questions are attempted, ONLY first 20 will be considered for evaluation.

Q1.Which of the following is NOT the property of equipotential surface?
(i) They do not cross each other.
(ii) The rate of change of potential with distance on them is zero.
(iii) For a uniform electric field they are concentric spheres.
(iv) They can be imaginary spheres.

Q2. Two point charges +8q and -2q are located at x=0 and x=L respectively. The point on x axis at which net electric field is zero due to these charges is-
(i) 8L
(ii) 4L
(iii) 2 L
(iv) L

Q3. An electric dipole of moment p is placed parallel to the uniform electric field. The amount of work done in rotating the dipole by 900 is-
(i) 2pE
(ii) pE
(iii) pE/2
(iv) Zero

Q4. Three capacitors 2µF, 3µF and 6µF are joined in series with each other. The equivalent capacitance is-
(i) 1/2µF
(ii) 1µF
(iii) 2µF
(iv) 11µF

Q5. Two point charges placed in a medium of dielectric constant 5 are at a distance r between them, experience an electrostatic force ‘F’. The electrostatic force between them in vacuum at the same distance r will be-
(i) 5F
(ii) F
(iii) F/2
(iv) F/5

Q6. Which statement is true for Gauss law-
(i) All the charges whether inside or outside the gaussian surface contribute to
the electric flux.
(ii) Electric flux depends upon the geometry of the gaussian surface.
(iii) Gauss theorem can be applied to non-uniform electric field.
(iv) The electric field over the gaussian surface remains continuous and
uniform at every point.

Q7.A capacitor plates are charged by a battery with ‘V’ volts. After charging battery is disconnected and a dielectric slab with dielectric constant ‘K’ is inserted between its plates, the potential across the plates of a capacitor will become
(i) Zero
(ii) V/2
(iii) V/K
(iv) KV

Q8.The best instrument for accurate measurement of EMF of a cell is-
(i) Potentiometer
(ii) metre bridge
(iii) Voltmeter
(iv) ammeter and voltmeter

Q9.An electric current is passed through a circuit containing two wires of same material, connected in parallel. If the lengths and radii of the wires are in the ratio of 3:2 and 2:3, then the ratio of the current passing through the wire will be
(i) 2:3
(ii) 3:2
(iii) 8:27
(iv) 27:8

Q10.By increasing the temperature, the specific resistance of a conductor and a semiconductor-
(i) increases for both.
(ii) decreases for both.
(iii) increases for a conductor and decreases for a semiconductor.
(iv) decreases for a conductor and increases for a semiconductor.

Q11.We use alloys for making standard resistors because they have
(i) low temperature coefficient of resistivity and high specific resistance
(ii) high temperature coefficient of resistivity and low specific resistance
(iii) low temperature coefficient of resistivity and low specific resistance
(iv) high temperature coefficient of resistivity and high specific resistance

Q12. A constant voltage is applied between the two ends of a uniform metallic wire, heat ‘H’ is developed in it. If another wire of the same material, double the radius and twice the length as compared to original wire is used then the heat developed in it will be-
(i) H/2
(ii) H
(iii) 2H
(iv) 4H

Q13.If the potential difference V applied across a conductor is increased to 2V with its temperature kept constant,
free electrons in a conductor

(i) remain the same
(ii) become half of its previous value
(iii) be double of its initial value
(iv) become zero.

Q14.The equivalent resistance

(i) 3 ohms
(ii) 5.5 ohms
(iii) 7.5 ohms
(iv) 9.5 ohms

Q15. The SI unit of magnetic field intensity is
(i) AmN-1
(ii) NA-1m-1
(iii) NA-2m-2
(iv) NA-1m-2

Q16.The coil of a moving coil galvanometer is wound over a metal frame in order to
(i) reduce hysteresis
(ii) increase sensitivity
(iii) increase moment of inertia
(iv) provide electromagnetic damping

Q17.Two wires of the same length are shaped into a square of side ‘a’ and a circle with radius ‘r’. If they carry same current, the ratio of their magnetic moment is
(i) 2 : π
(ii) π : 2
(iii) π : 4
(iv) 4 : π

Q18. The horizontal component of earth’s magnetic field at a place is √3 times the vertical component. The angle of dip at that place is
(i) π/6
(ii) π/3
(iii) π/4
(iv) 0

Q19. The small angle between magnetic axis and geographic axis at a place is-
(i) Magnetic meridian
(ii) Geographic meridian
(iii) Magnetic inclination
(iv) Magnetic Declination

Q20.Two coils are placed close to each other. The mutual inductance of the pair of coils depends upon the
(i) rate at which current change in the two coils
(ii) relative position and orientation of the coils
(iii) rate at which voltage induced across two coils
(iv) currents in the two coils