MCQs of Physics Class 10 Chapter 2 With Answer Keys

Physics mcqs

10th Physics unit 2 MCQs With Answer Keys. 10th class Physics chapter 2 Sound important MCQs with answer keys taken from past papers of all Punjab Boards and Federal Boards Pakistan.

MCQs of 10th Physics Unit 2

Sample MCQs 10th Physics

1)Speed of sound in iron at 25oCپر لوہے میں آواز کی سپیڈ ہے ۔25oC

(a)5950ms-1                            

(b)5950 ms-2                           

(c)6040 ms-1                           

(d)3070 ms-1

2)Vibrator  of ripple tank produce رپل ٹینک کا وائبریٹر پیدا کرتا ہے ۔

(a)sound waves                      

(b)air waves                           

(c)water waves                       

(d)a and b

3)In human body sound waves produced.انسانی جسم میں آواز  پیدا ہو تی ہے ۔

(a)heart                                  

(b)lungs                                  

(c)both a and b                       

(d)none

4)The intensity of rustle of leavesاینٹینسٹیپتوں کی سرسراہٹ  کی

(a)130dB                                

(b)110dB                                

(c)0dB                                    

(d)2dB

5)The unit of intensity of soundاینٹینسٹی کا یونٹ ہےآواز کی

(a)wm-2                                  

(b)wm-1                                  

(c)Ns-1                                    

(d)KWm-1

6)Which sound has pleasant effect on our ear.کونسی آواز ہمارے لیئے خوشگوار ہے ۔                                                                       

(a)sound of flute                    

(b)sound of piano                   

(c)sound of guitar                  

(d)all of these

7)Young children can hear sound of

(a)200,000Hz                         

(b) 2,00000Hz                        

(c) 20,000Hz                          

(d) 220,000Hz

8)Which is form of energy (sound)کونسی انرجی  آواز کی انرجی  ہے ۔

(a)electrical                           

(b)mechanical                        

(c)thermal                              

(d)chemical

9)Sound travel at   oCصفر درجہ پر آواز سفر کرتی ہے ۔

(a)300ms-1                              

(b)336ms-1                              

(c)360ms-1                              

(d)310ms-1

10)Find f  = ? if v = 340ms-1  and  λ = 0.5m

(a)680Hz                                

(b)600 Hz                               

(c)650Hz                                

(d)700Hz

Useful Resources For 10th Class

Download 10th English Chapter Wise Tests

Download 10th Chemistry chapter wise tests

Download 10th Physics Unit 1 solved MCQs short and long questions

For online preparation by quiz visit this site.

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