DUHS MDCAT PAPER

MDCAT 2022 (PART 16)

1. A helicopter of weight “W” ascending with zero acceleration. The upward force “F” on it is:

 
 
 
 
 

2. A sound wave travels from one medium be another, which one of the characteristic of sound remain unchanged?

 
 
 
 
 

3. For efficient transfer of electricity through cables over the long distance:

 
 
 
 
 

4. When a body moves with uniform velocity then its:

 
 
 
 
 

5. Every particle of a rotating disc moves with:

 
 
 
 
 

6. A proton of charge 1.6×10^-19 C is moved through a potential difference of 20 volt. The energy gained by the proton is

 
 
 
 
 

7. Distance between two consecutive antinodes in standing wave is

 
 
 
 
 

8. A conducting wire of resistivity” p” is cut into two equal parts. The resistivity of each part will be:

 
 
 
 
 

9. If the given spring of spring constant K is cut into three identical segments the spring constant of each segment is:

 
 
 
 
 

10. Four cells of emf 3volt are connected in series to form a battery. Net emf of the combination is:

 
 
 
 
 

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