Question

Assertion : The soldiers marching on a suspended brids are advised to go of stape
Reason : frequency of marching step may match we the nature frequency of oscillation of bridge
A. If both assertion and reason are true and the reasopn is correct explanation of the assertion
B. If both assertion and reason are true and but not the correct explanation of assertion
C. If assertion is true but the reason is false
D. If both assertion and reason are false

Answer 1

Correct Answer - A
While solders cross a suspended bridge the ordered to go out of stape if they do not do so then the bridge my start of the marching soldres hypppers be equal to step to that of the brigde the oscilation having large amplitude are produces and such oscilation may couse demage to the bridge.