JEE · NEET Previous Year Question

A sliver atom in a solid oscillates in simple harmonic motion in some direction with a frequency of /sec. What is the force constant of the bonds connecting one atom with the other? (Mole wt. of silver =108 and Avogadro number = 6.02 × gm )

Topic: JEE PYQ

Answer: D. Full step-by-step solution below.

  1. A2.2 N/m
  2. B5.5 N/m
  3. C6.4 N/m
  4. D7.1 N/m

Correct answer: D

Solution

(d)
⇒ k = 4π2m ×
k = = = 7.1 N/m

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