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प्रश्न
X-rays, gamma rays and microwaves travelling in a vacuum have ______.
पर्याय
Same wavelengths but different velocities
Same frequency but different velocities
Same velocity but different wavelengths
Same velocity and same frequency
MCQ
रिकाम्या जागा भरा
उत्तर
X-rays, gamma rays and microwaves travelling in a vacuum have same velocity and same frequency.
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