JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" id="myCheckbox">I will Select
<br/>
<div class="options_radio">
    <input type="radio" name="Val" value="1" />One
    <br/>
    <input type="radio" name="Val" value="2" />Two
</div>

CSS

.options_radio {
    display: none
}

JavaScript

$("#myCheckbox").change(function () {
    if ($(this).is(":checked")) {
        $('.options_radio').show();
    } else {
        $('.options_radio').hide();
    }
});