alleryꯑꯣꯏꯒꯅꯤ꯫ ꯔꯥꯃꯅꯥ 72 m ꯁꯥꯡꯕꯥ ꯄꯨꯜ ꯑꯃꯗꯥ ꯇꯨꯝꯃꯤ꯫ ꯃꯍꯥꯛꯅꯥ ꯃꯊꯛ ꯑꯃꯗꯒꯤ ꯑꯇꯣꯞꯄꯥ ꯃꯌꯥꯌꯗꯥ ꯑꯃꯁꯨꯡ ꯃꯇꯨꯡꯗꯥ ꯇꯨꯝꯃꯤ, ꯃꯤꯅꯤꯠ ꯑꯃꯗꯥ 144 m ꯊꯨꯒꯥꯏ꯫ ꯃꯍꯥꯛꯀꯤ ꯆꯥꯡꯆꯠꯇꯥ ꯑꯣꯏꯕꯥ ꯈꯣꯡꯖꯦꯜ ꯑꯗꯨ ꯈꯪꯗꯣꯀꯎ꯫
A2.04 ms⁻¹
B2.4 ms⁻¹
C2.60 ms⁻¹
D3.67 ms⁻¹
Answer & Solution
Correct answer: B. 2.4 ms⁻¹
ꯑꯣꯏꯒꯅꯤ꯫
1.ꯑꯄꯨꯅꯕꯥ ꯑꯔꯥꯞꯄꯥ = 144 ꯃꯤ.
2. ꯑꯄꯨꯅꯕꯥ ꯃꯇꯝ = ꯃꯤꯅꯤꯠ 1 = 60 ꯑꯦꯁ.
3.ꯆꯥꯡꯆꯠꯇꯥ ꯈꯣꯡꯖꯦꯜ = ꯂꯥꯞꯅꯕꯥ / ꯃꯇꯝ = 144 / 60 = 2.4 ms⁻¹.
_Source: RRB Group D CEN-02/2018 PYQ, Q.2._
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