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Electrostatics — JEE Main Physics MCQs with Solutions

Free JEE Main Physics Electrostatics MCQs with step-by-step solutions. Practise online on Prepizo — no login needed.

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Sample questions with solutions

Q1 — medium · numerical
WIsothermal = nRTln  v2  WD = P2V2  P1V1 = PDVD  PCVC
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q2 — medium · theory
In an experiment to measure focal length (f) 24-3. The following figure represents two biconvex
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q3 — medium · theory
forms an image that is half the size of the 22-5. As shown in the figure, after passing through
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q4 — medium · theory
the medium 1. The speed of light v2 in
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q5 — medium · theory
As shown in the figure, a combination of a measured with a modified scale in which
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q6 — medium · theory
(2) 24-2. (1) ANSWER KEY 24-4. (1) 24-5. (1)
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q7 — medium · numerical
f =v −u At complete reflection refracted ray and
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q8 — medium · theory
In primary rainbow, red colour is at top and 21-2. Mirror used is convex mirror (rear-view mirror)
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q9 — medium · theory
   A     sin  A 
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q10 — medium · theory
At focus magnification is  1.5 1 1.5 − 1
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q11 — medium · theory
1  (1.75  1)  1 
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q12 — medium · numerical
A – B = isothermal process  VH > V0 > VC
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q13 — medium · theory
of convex lens, the least counts of the 24-4. lenses L and L having focal length 10 cm
A. u  v (2) f 2  u  v   ✓ Correct
B. 2f  (4) f  (3) 25 cm (4) 35 cm
C. Statement I is false but Statement II is (4) 15 cm (right of second lens)
D. Both Statement I and Statement II are When unpolarized light is incident at an angle
Q14 — medium · numerical
object. The object distance is : medium 2 will be : (Given c = 3 × 108 ms–1)
A. – 15 cm (2) 45 cm  ✓ Correct
B. – 45 cm (4) 15 cm
C. 15 cm (2) – 12 cm In normal adjustment, for a refracting
D. – 10 cm (4) 10/3 cm telescope, the distance between objective
Q15 — medium · theory
Car B overtakes another car A at a relative 20-1. GEOMETRICAL OPTICS
A. 4 ms–1 (2) 0.2 ms–1 (Graphs are drawn schematically and are not  ✓ Correct
B. 40 ms–1 (4) 0.1 ms–1 to scale) [JEE MAIN_080120_{S2}]
C. 3a (2) 4.6 a
D. 2.3 a (4) 2 10 a
Q16 — medium · theory
In an experiment of measuring the refractive
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q17 — medium · numerical
−f df = −v dv − u du reflected ray are perpendicular.
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q18 — medium · theory
violet is at bottom. 21-3.
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q19 — medium · theory
u  h  5.25
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q20 — medium · numerical
Intensity of secondary rainbow is less in 21-4.  VI/m = – m2VO/m
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q21 — medium · theory
A glass tumbler having inner depth of 17.5 cm
A. 11.7 cm (2) 10 cm A light ray is incident on a glass slab of  ✓ Correct
B. 7.5 cm (4) 8.75 cm 24-8. thickness 4 3 cm and refractive index 2 .
C. 9 (2) 2
D. 1 (4) 3
Q22 — medium · theory
(1) 22-5. (4) 24-3. (3) 21-2. (4) 21-3. (2)
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q23 — medium · theory
(2) 21-5. (1) 22-1. (1) 24-8. 2 24-9. 15
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q24 — medium · numerical
For lens 1: ������ = 10, ������ = −30, ������ = ?
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q25 — medium · theory
comparison to primary rainbow.
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q26 — medium · numerical
PV = constant
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q27 — medium · theory
98 23-6. 5 20-1. (4) 22-6. 15 22-7. 15
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q28 — medium · theory
u
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q29 — medium · theory
Speed of wave  2 1010  108m / s
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D
Q30 — medium · numerical
WDE  (600  300)3 J = 1350 J
A. Option A  ✓ Correct
B. Option B
C. Option C
D. Option D