PHYSICS ONE LINER SET 05

PHYSICS ONE LINER SET 05

1. How must be the The lines of force of a uniform magnetic field? Parallel to each other
 
2. When a ray of light is going from one medium to another, how is its frequency
changes?
Frequency remains same
 
3. Heat given to an ideal gas under isothermal conditions is used in which work? In doing external work
 
4. When will a hot body radiate maximum energy? If its surface is black
and rough
 
5. A far-sighted person has a near point at 100 cm. What must be the power of the correcting lens?
+3.0 D
 
6. How many image can a man see if he stands between two plane mirrors inclined at an angle of 60°?
5
 
7. Which rays can pass through 20 cm thickness of steel? ã-rays
 
8. Mesons are found in which rays? Cosmic rays
 
9. Why can Insects move on the surface of water without sinking? Due to Surface tension of water
 
10. According to Dalton’s atomic theory, which is the smallest particle which can
exist independently?
An atom