Answer:
D
Explanation:
The wavelength of A falls in the range of 700 nanometers to 1 millimeter. It is Infra red
The wavelength of B falls in the range of 450 nanometers to 740 nanometers. It is visible light
The wavelength of C falls in the range of 10 nanometers to 400 nanometers. It is Ultraviolet.
The wavelength of D falls in the 0.01 nanometers to 10 nanometers. It is x ray.
Hi Pupil Here's Your answer :::
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When an object is moving with uniform circular motion, the centripetal acceleration of the object

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Because the body is moving with a uniform velocity and hence, there might not be any acceleration due to it.
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Hope this helps .......