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प्रश्न
Which of the following is a non-mechanical wave?
विकल्प
sound
water
light
none of the above
MCQ
उत्तर
light
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Which of the following is a non-mechanical wave?
sound
water
light
none of the above
light