PHYSICS ONE LINER SET 35

PHYSICS ONE LINER SET 35

1. If a Magnet has third pole, then the third pole is called– consequent pole
 
2. Electrostatic Precipitator is used to control the – Air Pollution
 
3. Instruments can be shielded from the outside magnetic effect by surrounding 
them with– Rubber shield
 
4. The threshold frequency is the frequency below which– Photoelectric emission is not possible
 
5. Electron Microscope is more magnifier than light microscope because – Wavelength of electron is less than the wavelength of light
 
6. Primary colurs in a visual display unit are – Red, Green, Blue
 
7. Concave Lens always forms the image – Virtual and eject
 
8. Atomic clock transitions depends upon the – Cesium
 
9. What is a magnifying Lens? Concave lens with a small focal length
 
10. In Real Magnifying Lens is a – Convex lens