A vessel filled with water is kept on a weighing pan and the scale adjusted to zero .A block of mass M and density rho is suspended by a massless spring of spring constant k. This block is submerged inside into the water in the vessel .What is the reading of the scale ?

A vessel filled with water is kept on a weighing pan and the scale adj

1.	A vessel filled with water is kept on a weighing pan and the scale adjusted to zero .A block of mass M and density rho is suspended by a massless spring of spring constant k. This block is submerged inside into the water in the vessel .What is the reading of the scale ?
Answer» <html><body><p></p>Solution :<img src="https://doubtnut-static.s.llnwi.net/static/physics_images/KPK_AIO_PHY_XI_P2_C10_E04_014_S01.png" width="80%"/><br/> Take a figure into consideration .<br/>The scale is adjusted to zero .<a href="https://interviewquestions.tuteehub.com/tag/therefore-706901" style="font-weight:bold;" target="_blank" title="Click to know more about THEREFORE">THEREFORE</a> , when a block suspended to a <a href="https://interviewquestions.tuteehub.com/tag/spring-11487" style="font-weight:bold;" target="_blank" title="Click to know more about SPRING">SPRING</a> is immersed in water , then the reading of the scale will be equal to the upthrust on the block <a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to water. Upthrust experienced by the block=weight of displaced water<br/>`=(<a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a>)rho_(w)g ""("V = volume of block")`<br/>`=(m)/(rho)rho_(w)g "" (rho_(w)= " density of water")`<br/>`=((rho_(w))/(rho))mg ""(rho="density ofblock")`</body></html>