Physics General Knowledge Questions and Answers
| 1. | In which of the following cases lies the broadcast band of FM? | ||
|---|---|---|---|
| A. VHF | |||
| B. UHF | |||
| C. SHF | |||
| D. HF | |||
| Answer | ||
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| 2. | Stars are twinkling due to | ||
|---|---|---|---|
| A. Scattering | |||
| B. Refraction | |||
| C. Diffraction | |||
| D. Reflection | |||
| Answer | ||
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| 3. | Laser is a device for producing | ||
|---|---|---|---|
| A. Spontaneous radiation | |||
| B. Stimulated radiation | |||
| C. Scattered radiation | |||
| D. Dispersed radiation | |||
| Answer | ||
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| 4. | Which of the following is the smallest unit of length? | ||
|---|---|---|---|
| A. Micrometer | |||
| B. Fermimetre | |||
| C. Angstrom | |||
| D. Nanometer | |||
| Answer | ||
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