Home
Class 12
PHYSICS
A molecule of a substance has a permanen...

A molecule of a substance has a permanent electric dipole moment of magnitude `10^(-30)` cm. A mole of this substance is polarised by applying a strong electrostatic field of magnitude `10^(7) V m^(-1).` The direction of field is charged by an angle `60^(@).` The heat released by the substance in aligning its dipole along the new direction of the field is

Text Solution

Verified by Experts

The correct Answer is:
`6.023/2 J=3.016 J` (Approx)
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    RESONANCE ENGLISH|Exercise Exercise-1 Section (I)|5 Videos

  • ELECTROSTATICS

    RESONANCE ENGLISH|Exercise Exercise-1 Section (J)|7 Videos

  • ELECTROSTATICS

    RESONANCE ENGLISH|Exercise Exercise-1 Section (G)|7 Videos

  • ELECTROMAGNETIC INDUCTION

    RESONANCE ENGLISH|Exercise A.l.P|19 Videos

  • EXPERIMENTAL PHYSICS

    RESONANCE ENGLISH|Exercise PART -II|10 Videos

Similar Questions

Explore conceptually related problems

A molecule of a substance has a permanent electric dipole moment of magnitude 10^(-29) C m. A mole of this substance is polarized at low temperature by appling a strong elecrostatic field of magnitude 10^(6) V m^(-1) . The direction of the field is suddenly changed by an angle of 60^(@) . Estimate the heat released by the substance in aligning its dipole along the new direction of the field. For simplicity, assume 100% polarisation of sample.

A neutral water molecule (H_(2)O) in its vapor state has an electric dipole moment of magnitudes 6.4xx10^(-30)C-m . How far apart are the molecules centers of positive and negative charge

An electrtic dipole with dipole moment 4xx10^(-9) C m is aligned at 30^(@) with the direction of a uniform electric field of magnitude 5xx10^(4) NC^(-1) . Calculate the magnitude of the torque acting on the dipole .

An electron falls through a small distance in a uniform electric field of magnitude 2xx10^(4)NC^(-1) . The direction of the field reversed keeping the magnitude unchanged and a proton falls through the same distance. The time of fall will be

An electron falls through a small distance in a uniform electric field of magnitude 2xx10^(4)NC^(-1) . The direction of the field reversed keeping the magnitude unchanged and a proton falls through the same distance. The time of fall will be

An electric dipole consists of two opposite charges of magnitude 1muC separated by a distance of 2cm .The dipole is placed in an electric filled 10^(-5)Vm^(-1) .The maximum torque that the field exert on the dipole is

An electric dipole has the magnitude of its charge as q and its dipole moment is p . It is placed in a uniform electric field E . If its dipole moment is along the direction of the field, the force on it and its potential energy are respectively

An electric dipole of length 20 cm having +-3xx10^(-3) C charge placed at 60^(@) with respect to a uniform electric field experiences a torque of magnitude 6 Nm. The potential energy of the dipole is

An electric dipole consists of two opposite charges each of magnitude 2 muC separated by a distance 1 cm. The dipole is placed in an external field of 10^(3) N/C. The maximum torque on the dipole is

A sample of HCl gas is placed in an electrical field of 3 xx 10^(4)NC^(-1) . The dipole moment of each HCl molecule is 6 xx 10^(-30) C -m . The maximum torque that can act on a molecule is