1.

A block of mass M is placed on a smooth table. Its two sides are attached to fixed walls by means of collinear horizontal springs of spring constants k_(1) and k_(2)(k_(1)gt k_(2)) as shown in the Figure. The block is made to oscillate horizontally along the line of the two springs. The frequency of its oscillation is :

Answer»

`(1)/(2PI)((k_(1)+k_(2))/(M))^((1)/(2))`
`(1)/(2pi)((k_(1)-k_(2))/(M))^^((1)/(2))`
`(1)/(2pi)((M)/(k_(1)+k_(2)))^((1)/(2))`
`(1)/(2pi)((M)/(k_(1)-k_(2)))^((1)/(2))`.

ANSWER :A


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