(Test - Worksheet - 9th - Physics [Sound II])
SubjectTopic(s) coveredConcept(s) covered
Physics Sound 1. Echo, 2. Industrial Applications of Ultrasonic Waves, 3. Medical Application of Ultrasound, 4. Multiple Reflection of Sound, 5. Properties of Ultrasonic Waves, 6. Range of Hearing, 7. Reflection of Sound, 8. Reverberation, 9. Sonar Sound, 10. The Human Ear, 11. Ultrasound and Its Application, 12. Working of the Human Ear
GENERAL INSTRUCTIONS (Please read the following instructions very carefully)
1. Each question carry 1 mark, no negative marks. 2. You can change your answer before submitting test. 3. Donot refresh or back page.
4. Use rough sheets while taking the test. 5. This is a ONE TIME attempt test. Once started, it cannot be reversed. 6. Detailed Analysis will be visible after the Test.

All the best ...
Read Instructions. Start Test    
Want Help?
Powered by ABHYAS ChatBOT.

What describes you best?
I am a School Owner
I want to appear for Govt. Exams
Minimize
$('.content-header').css('display','none'); $(document).on('click','.listofquestion',function(){ thisq=parseInt($(this).attr('qn')); $(".currentquestion").val(thisq); timedCountforquestion(thisq); totalquest=parseInt($(".totalquest").val()); $('.allques ').css('display','none'); $('.question'+thisq).css('display','table-row'); $('.listofquestion').removeClass('btn-info'); $('.questionrow'+thisq).addClass('btn-info'); if(thisq==totalquest){ $('.submitbutton ').removeAttr('disabled'); } else{ $('.submitbutton ').attr('disabled','disabled'); } }); $(document).on('click','.next',function(){ last=parseInt($(this).attr('qn')); nex = last+1; $(".currentquestion").val(nex); timedCountforquestion(nex); $('.question'+last).css('display','none'); $('.question'+nex).css('display','table-row'); totalquest=parseInt($(".totalquest").val()); $('.listofquestion').removeClass('btn-info'); $('.questionrow'+nex).addClass('btn-info'); if(totalquest==nex){ $('.submitbutton ').removeAttr('disabled'); } else{ $('.submitbutton ').attr('disabled','disabled'); } }); $(document).on('click','.reset',function(){ current=parseInt($(this).attr('qn')); $(".currentquestion").val(current); timedCountforquestion(current); $('.radioreset'+current).removeAttr('checked'); $('.questionrow'+current).removeClass('btn-success'); $('.questionrow'+current).addClass('btn-info'); }); $(document).on('click','.mark',function(){ current=parseInt($(this).attr('qn')); $(".currentquestion").val(current); timedCountforquestion(current); $('.questionrow'+current).removeClass('btn-success'); $('.questionrow'+current).removeClass('btn-info'); $('.questionrow'+current).addClass('btn-danger'); $(this).text('Unmark'); $(this).addClass('unmark'); $(this).removeClass('mark'); }); $(document).on('click','.unmark',function(){ current=parseInt($(this).attr('qn')); var f=0; $(".currentquestion").val(current); timedCountforquestion(current); $('.radioreset'+current).each(function(){ if(this.checked == true){f=1;} }); $('.questionrow'+current).removeClass('btn-danger'); $(this).text('Mark for Review'); $(this).removeClass('unmark'); $(this).addClass('mark'); if(f==1){$('.questionrow'+current).addClass('btn-success'); } else{$('.questionrow'+current).addClass('btn-info'); } }); $(document).on('click','.radio1',function(){ current=parseInt($(this).attr('qn')); timedCountforquestion(current); $('.questionrow'+current).addClass('btn-success'); $('.questionrow'+current).removeClass('btn-info'); }); $(document).on('click','.previous',function(){ last=parseInt($(this).attr('qn')); pre = last-1; $(".currentquestion").val(pre); timedCountforquestion(pre); $('.question'+last).css('display','none'); $('.listofquestion').removeClass('btn-info'); $('.questionrow'+pre).addClass('btn-info'); $('.question'+pre).css('display','table-row'); totalquest=parseInt($(".totalquest").val()); if(totalquest==pre){ $('.submitbutton ').removeAttr('disabled'); } else{ $('.submitbutton ').attr('disabled','disabled'); } }); $('.radio1').on('click',function(){ var count=$('.radio1:checked').length; $('.attempted').html('Attempted : '+count+''); }); var count=$('.radio1:checked').length; $('.attempted').html('Attempted : '+count+'');