A dipole comprises of two charged particles of identical magnitude q and opposite in nature. The mass m of the…

Question

A dipole comprises of two charged particles of identical magnitude $q$ and opposite in nature. The mass $m$ of the positive charged particle is half of the mass of the negative charged particle. The two charges are separated by a distance $l$ . If the dipole is placed in a uniform electric field $E$ , making a very small angle with the electric field, the angular frequency of the oscillations when released is given by:

A
$\sqrt{\dfrac{4qE}{3ml}}$
B
$\sqrt{\dfrac{8qE}{ml}}$
C
$\sqrt{\dfrac{8qE}{3ml}}$
D
$\sqrt{\dfrac{4qE}{ml}}$

Accepted Answer

A. $$\sqrt{\dfrac{4qE}{3ml}}$$

Answer

B. $$\sqrt{\dfrac{8qE}{ml}}$$

Answer

C. $$\sqrt{\dfrac{8qE}{3ml}}$$

Answer

D. $$\sqrt{\dfrac{4qE}{ml}}$$

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