Organisation : Council For The Indian School Certificate Examinations
Class : Class XII
Document Type : Specimen Question Paper
Subject : Physics
Semester : 1 And 2
Year : 2022
Website : https://cisce.org/publications.aspx
ICSE Class XII Physics Question Paper
Council For The Indian School Certificate Examinations (ICSE) Class XII Physics Specimen Question Papers Semester 1 and 2 for the year 2022.
Related / Similar Question Paper : ICSE Class XII Chemistry Question Paper 2022
Class XII Physics Questions
Question 1
The ratio of forces between two small spheres having a constant charge ‘q’ when placed in air to when placed in a medium of dielectric constant K, is
(a) 1: K
(b) K : 1
(c)21: K
(d)2 :1K
Question 2
When a soap bubble is given a positive charge, then its radius
(a) Decreases
(b) Increases
(c) Remains unchanged
(d) Nothing can be predicted as information is insufficient
Question 3
Four charges are arranged at the corners of a squareABCD , as shown in the adjoining figure. The force on the charge ‘Q’ kept at the centre O is
(a) Zero
(b) Along the diagonalAC
(c) Along the diagonalBD
(d) Perpendicular to sideAB
Question 4
The surface charge density of a conductor, in the absence of another conductor
(a) Is proportional to the charge on the conductor and its surface area
(b) Inversely proportional to the charge and directly proportional to the surface area
(c) Directly proportional to the charge and inversely proportional to the surface area
(d) Inversely proportional to the charge and the surface area
Question 5
The loss of power in a transformer can be reduced by
(a) Increasing the number of turns in primary.
(b) Using solid core made of steel.
(c) Increasing ac voltage applied to primary.
(d) Using a laminated core of soft iron.
Question 6
Which is the most harmful radiation entering the atmosphere of earth from outer space?
(a) X – Rays
(b) Visible rays
(c) Gamma radiations
(d) Radio waves
Question 7
What is the locus of an electron, projected perpendicular to a uniform magnetic field?
(a) Circle
(b) Right bisector
(c) Parabola
(d) Straight line
Question 8
A charge placed at a distance from a short electric dipole in the end-on position experiences a force F. If the distance is halved, then the force will become
(a) 4F
(b) 8F
(c) F/4
(d) F/8
Question 9
Four identical cells each having an e.m.f. of 4V are connected in parallel. What will be the e.m.f. of this combination?
(a) 1 V
(b) 16 V
(c) 1/4V
(d) 4 V
Question 10
Three capacitors, each of capacitance C, are connected in series. Their equivalent capacitance is Cs. The same three capacitors are now connected in parallel. Their equivalent capacitance becomes Cp. The ratio of Cp to Cs is
(a) 9 : 1
(b) 1 : 9
(c) 3 : 1
(d) 1 : 3
Question 11
The charges q1 = 3F, q2 = 4F and q3 = -7F are placed on the circumference of a circle of radius 1.0m as shown in the figure below. What is the value of charge q4 placed on the same circle if the potential at the centre is?
(a) -4F
(b) -3F
(c) 7F
(d) 0
Question 12
Three equal charges of 5.0C each, are placed at the three vertices of an equilateral triangle of side 5.0cm each. The electrostatic potential energy of the system of charges is
(a) 13.5 J
(b) 17.5 J
(c) 27 J
(d) 15 J
Question 13
Three capacitors C1 = 3F, C2 = 6F and C3 = 10F are connected to a 50V battery as shown in the figure below The equivalent capacitance of the circuit between point A and B and the charge on C1 are…
(a) 12F, 150C
(b) 4.75F, 100C
(c) 12F, 100C
(d) 4.75F, 150C
Question 14
A substance behaves like a magnet only if there are
(a) at least some tiny current loops within the magnet
(b) stationary charges within the magnet
(c) magnet within the magnet
(d) none of these
Question 15
A straight long wire is turned into a loop of radius R = 10 cm, as shown in figure 6 below. If a current I = 16 A is passed through the wire, then the magnetic field at the centre of the loop is
(a) 3.4 × 10−5𝑇
(b) 6.8 × 10−5𝑇
(c) 1.7 × 10−5𝑇
(d) 5.1 × 10−5𝑇
Question 16
The current in the circuit shown in figure 7 below, will be
(a) 1/45 A
(b) 1/15 A
(c) 1/10 A
(d) 1/5 A
Question 17
The resistance of a wire is 10. It is stretched so that its length becomes four times. What will be the new resistance of the wire?
(a) 40
(b) 160.0
(c) 120
(d) 80.0
Question 18
The figure 8 given below shows currents in a part of an electric circuit. The current i is
(a) 1.7 A
(b) 3.7 A
(c) 2.7 A
(d) 4.7 A
Question 19
The drift velocity of a current carrying conductor is v. What will be the drift velocity if the current flowing through the wire is doubled?
(a) v / 4
(b) v / 2
(c) 2v
(d) 4v
Question 20
The circuit shown in figure 9 below is used to compare the e.m.f. of two cells E1 and E2 where E2 > E1. The null point is at C when the galvanometer is connected to E1. When the galvanometer is connected to E2, the null point will be
(a) To the left of C
(b) To the right of C
(c) At C itself
(d) Nowhere on AB
Download ICSE Class XII Physics Question Paper
Download ICSE Physics Semester – 1 Class XII Question Paper Here :
https://www.pdfquestion.in/uploads/pdf2022/2phy1sem1.pdf
Download ICSE Physics Semester – 2 Class XII Question Paper Here :
https://www.pdfquestion.in/uploads/pdf2022/2phy1sem2.pdf