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Torque experienced at this point (τ) = 2√3Nm The angle at which the dipole is placed θ = 30° Torque on the dipole, τ = PEsinθ Potential energy of the dipole, U = −PEcos(θ) U/ τ =−{PEcos(θ)}/{PEsinθ) Since, U = −τcotθ = - 2√3 × √3 = - 6 J
The Pointing vector of electromagnetic waves has the same dimensions as that of:
The part of the eye having the largest refractive index is -
The pitch of a sound is primarily determined by which of the following?
What type of lens is used to correct myopia (nearsightedness)?
The intensity of any wave is proportional to which quantity?
In an n-type silicon, which of the following statements is true:
Which of the following phenomena establishes the transverse nature of light waves?
When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance?
In the equation of motion (2as = v² - u²), (s) represents:
Ball pen functions on the principle of :
