Gujarati
13.Oscillations
easy

सरल लोलक का मध्यमान स्थिति में वेग ................ $m/s$ होगा, यदि यह $10\,cm$ ऊध्र्वाधर ऊँचाई तक उठता है ($g = 9.8\,m/{s^2})$

A

$0.6$

B

$1.4$

C

$1.8 $

D

$2.2$

Solution

$v = \sqrt {2gh}  = \sqrt {2 \times 9.8 \times 0.1}  = \sqrt {1.96}  = 1.4\,m/s$

Standard 11
Physics

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