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प्रश्न
X-rays, gamma rays and microwaves travelling in a vacuum have ______.
विकल्प
Same wavelengths but different velocities
Same frequency but different velocities
Same velocity but different wavelengths
Same velocity and same frequency
MCQ
रिक्त स्थान भरें
उत्तर
X-rays, gamma rays and microwaves travelling in a vacuum have same velocity and same frequency.
shaalaa.com
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