MCQOPTIONS
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| 1. |
Read the following statements carefully:1. Scientists have designed a way to levitate and propel objects using only light, by creating nanoscale patterns on the objects' surfaces.2. Though still theoretical, the work is a step toward developing a spacecraft that could reach the nearest planet outside of the solar system in 20 years.3. The Spacecraft will be powered and accelerated only by light.Which of the above statements is/are true? |
| A. | Only 1 |
| B. | Only 1 and 2 |
| C. | Only 1 and 3 |
| D. | Only 2 and 3 |
| E. | All of the above |
| Answer» F. | |