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 | ||
|
2. | Stars are twinkling due to | ||
---|---|---|---|
A. Scattering | |||
B. Refraction | |||
C. Diffraction | |||
D. Reflection |
Answer | ||
|
3. | Laser is a device for producing | ||
---|---|---|---|
A. Spontaneous radiation | |||
B. Stimulated radiation | |||
C. Scattered radiation | |||
D. Dispersed radiation |
Answer | ||
|
4. | Which of the following is the smallest unit of length? | ||
---|---|---|---|
A. Micrometer | |||
B. Fermimetre | |||
C. Angstrom | |||
D. Nanometer |
Answer | ||
|