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Recent questions and answers in Class XII Physics
0
votes
1
answer
Find the amount of work done in arranging the three point charges, on the vertices of an equilateral triangle ABC, of side 10 cm, as shown in the figure
answered
Oct 19, 2019
in
Class XII Physics
by
megha00
(
-701
points)
0
votes
1
answer
By using Stokes law, derive an expression for terminal velocity. On what factors does it depend?
answered
Oct 19, 2019
in
Class XII Physics
by
megha00
(
-701
points)
0
votes
0
answers
Two charges are at distance d apart in air. Coulomb force between them is F. If a dielectric material of dielectric constant K is placed between them, the Coulomb force now becomes (a) F/K (b) FK (c) F/K2 (d) K2F
asked
Sep 20, 2019
in
Class XII Physics
by
Rishabh123Sigh123
(
15
points)
two charges are at distance d apart in air. coulomb force between them is f. if a dielectric material of dielectric constant k is placed between them
the coulomb force now becomes (a) f k (b) fk (c) f k2 (d) k2f
0
votes
0
answers
Explain how to differentiate between a plane mirror, concave and a convex mirror
asked
Aug 22, 2019
in
Class XII Physics
by
Ovasi
(
15
points)
0
votes
0
answers
The ratio of energies o moving particle and photons is1\100. Their velocity are in the ratio1\10. Then the ratio of de brogile
asked
Aug 21, 2019
in
Class XII Physics
by
Anbarasugayathri
(
15
points)
0
votes
0
answers
Two cells in opposition to each other. One cell has emf of 6V and internal resistance of 2 ohm and other cell has emf of 4V and internal resistance of 8 ohm.The potential difference across terminals X andY is
asked
Jul 28, 2019
in
Class XII Physics
by
Atharva_91
(
15
points)
0
votes
0
answers
Please help this question
asked
Jun 28, 2019
in
Class XII Physics
by
Mohd soud
(
15
points)
physic
0
votes
0
answers
The displacement of a particle is given by y =A sin kt where t denotes time. The SI unit of k is
asked
Jun 21, 2019
in
Class XII Physics
by
Gulnaz shamrin
(
10
points)
units and measurements.
0
votes
0
answers
The potential energy of a point charge q placed at a distance r on equatorial position from a short electric dipole having dipole movement p will be
asked
May 24, 2019
in
Class XII Physics
by
Prathik somayaji
(
10
points)
electrostatic potential and capacitance
0
votes
0
answers
Two Point charges -q and 3q are separated by a distance a.the net electric potential due to these charge at mid point between them will be
asked
May 24, 2019
in
Class XII Physics
by
Prathik somayaji
(
10
points)
electrostatic potential and capacitance
–1
vote
0
answers
Why Perfect electrostatic sheildlig is possible but perfect magnetostatic sheilding is not possible ?
asked
May 19, 2019
in
Class XII Physics
by
Dmlb
(
10
points)
0
votes
0
answers
Why magnetostatic sheilding is not possible?
asked
May 19, 2019
in
Class XII Physics
by
Dmlb
(
10
points)
0
votes
0
answers
A sphere encloses a dipole within it.The total flux across the surface is
asked
May 3, 2019
in
Class XII Physics
by
uthara
(
17
points)
0
votes
0
answers
An em wave exerts pressure on the surface on which it is incident
asked
Feb 15, 2019
in
Class XII Physics
by
Adhityaraj
(
15
points)
electromagnetic waves
0
votes
0
answers
Critical angle will be
asked
Feb 1, 2019
in
Class XII Physics
by
Reza qudsi
(
15
points)
0
votes
0
answers
What is Zener diode?
asked
Jan 31, 2019
in
Class XII Physics
by
nitishkr420
(
15
points)
0
votes
0
answers
Two cells of E.M.F. 10 V and 2 V and internal resistances 10 ohm and ohm resp are connected in parallel as shown. Find the effective voltage across R.
asked
Dec 26, 2018
in
Class XII Physics
by
mridul.tulsyan
(
15
points)
0
votes
2
answers
A TV transmission tower antenna is at a height of 20 m.
answered
Dec 16, 2018
in
Class XII Physics
by
udit giria
Basic
(
24
points)
communication systems
+1
vote
0
answers
Propagation constant of wave
asked
Nov 28, 2018
in
Class XII Physics
by
Reshmi
(
16
points)
0
votes
0
answers
Electric field and charge
asked
Nov 10, 2018
in
Class XII Physics
by
Bhushan
(
15
points)
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