Sound Propagation and Scattering

/*! elementor - v3.9.2 - 21-12-2022 */ .elementor-alert{padding:15px;border-left:5px solid transparent;position:relative;text-align:left}.elementor-alert .elementor-alert-title{display:block;font-weight:700}.elementor-alert .elementor-alert-description{font-size:13px}.elementor-alert button.elementor-alert-dismiss{position:absolute;right:var(--dismiss-icon-horizontal-position,10px);top:var(--dismiss-icon-vertical-position,10px);padding:3px;font-size:var(--dismiss-icon-size,20px);line-height:1;background:transparent;color:var(--dismiss-icon-normal-color,inherit);border:none;cursor:pointer;transition-duration:var(--dismiss-icon-hover-transition-duration,.3s)}.elementor-alert button.elementor-alert-dismiss:hover{color:var(--dismiss-icon-hover-color,inherit)}.elementor-alert button.elementor-alert-dismiss svg{width:var(--dismiss-icon-size,20px);height:var(--dismiss-icon-size,20px);fill:var(--dismiss-icon-normal-color,currentColor);transition-duration:var(--dismiss-icon-hover-transition-duration,.3s)}.elementor-alert button.elementor-alert-dismiss svg:hover{fill:var(--dismiss-icon-hover-color,currentColor)}.elementor-alert.elementor-alert-info{color:#31708f;background-color:#d9edf7;border-color:#bcdff1}.elementor-alert.elementor-alert-success{color:#3c763d;background-color:#dff0d8;border-color:#cae6be}.elementor-alert.elementor-alert-warning{color:#8a6d3b;background-color:#fcf8e3;border-color:#f9f0c3}.elementor-alert.elementor-alert-danger{color:#a94442;background-color:#f2dede;border-color:#e8c4c4}@media (max-width:767px){.elementor-alert{padding:10px}.elementor-alert button.elementor-alert-dismiss{right:7px;top:7px}} Authors Shridhar Prabhuraman (MRC) and Dr Arnab Das (MRC) /*! elementor - v3.9.2 - 21-12-2022 */ .elementor-widget-social-icons.elementor-grid-0 .elementor-widget-container,.elementor-widget-social-icons.elementor-grid-mobile-0 .elementor-widget-container,.elementor-widget-social-icons.elementor-grid-tablet-0 .elementor-widget-container{line-height:1;font-size:0}.elementor-widget-social-icons:not(.elementor-grid-0):not(.elementor-grid-tablet-0):not(.elementor-grid-mobile-0) .elementor-grid{display:inline-grid}.elementor-widget-social-icons .elementor-grid{grid-column-gap:var(--grid-column-gap,5px);grid-row-gap:var(--grid-row-gap,5px);grid-template-columns:var(--grid-template-columns);justify-content:var(--justify-content,center);justify-items:var(--justify-content,center)}.elementor-icon.elementor-social-icon{font-size:var(--icon-size,25px);line-height:var(--icon-size,25px);width:calc(var(--icon-size, 25px) + (2 * var(--icon-padding, .5em)));height:calc(var(--icon-size, 25px) + (2 * var(--icon-padding, .5em)))}.elementor-social-icon{--e-social-icon-icon-color:#fff;display:inline-flex;background-color:#818a91;align-items:center;justify-content:center;text-align:center;cursor:pointer}.elementor-social-icon i{color:var(--e-social-icon-icon-color)}.elementor-social-icon…

/*! elementor - v3.9.2 - 21-12-2022 */ .elementor-alert{padding:15px;border-left:5px solid transparent;position:relative;text-align:left}.elementor-alert .elementor-alert-title{display:block;font-weight:700}.elementor-alert .elementor-alert-description{font-size:13px}.elementor-alert button.elementor-alert-dismiss{position:absolute;right:var(--dismiss-icon-horizontal-position,10px);top:var(--dismiss-icon-vertical-position,10px);padding:3px;font-size:var(--dismiss-icon-size,20px);line-height:1;background:transparent;color:var(--dismiss-icon-normal-color,inherit);border:none;cursor:pointer;transition-duration:var(--dismiss-icon-hover-transition-duration,.3s)}.elementor-alert button.elementor-alert-dismiss:hover{color:var(--dismiss-icon-hover-color,inherit)}.elementor-alert button.elementor-alert-dismiss svg{width:var(--dismiss-icon-size,20px);height:var(--dismiss-icon-size,20px);fill:var(--dismiss-icon-normal-color,currentColor);transition-duration:var(--dismiss-icon-hover-transition-duration,.3s)}.elementor-alert button.elementor-alert-dismiss svg:hover{fill:var(--dismiss-icon-hover-color,currentColor)}.elementor-alert.elementor-alert-info{color:#31708f;background-color:#d9edf7;border-color:#bcdff1}.elementor-alert.elementor-alert-success{color:#3c763d;background-color:#dff0d8;border-color:#cae6be}.elementor-alert.elementor-alert-warning{color:#8a6d3b;background-color:#fcf8e3;border-color:#f9f0c3}.elementor-alert.elementor-alert-danger{color:#a94442;background-color:#f2dede;border-color:#e8c4c4}@media (max-width:767px){.elementor-alert{padding:10px}.elementor-alert button.elementor-alert-dismiss{right:7px;top:7px}} Author Sarthak Raj, IIT Bombay /*! 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