ETEA MDCAT PAPER 2023

ETEA MDCAT 2023 ( PART 9 )

1. If the pressure of air enclosed in a long tube Is increased 10 times, then speed of sound will:

 
 
 
 

2. The expression Cp – R is equal to:

 
 
 
 

3. In a certain process 200 J of heat energy is supplied to a system and at the same time 50 J of work is done by the system. The increase in the internal energy of the system is:

 
 
 
 

4. Work done during isochoric process is:

 
 
 
 

5. Two charges of magnitude q1= 1µC and q2= 5µC, are separated at a distance r = 1×10^-3 m apart, the ratio of the magnitude of the forces acting on them will be:

 
 
 
 

6. For 0.5 Siemens of conductance, resistance will be:

 
 
 
 

7. 1 volt × 1 ampere is equal to:

 
 
 
 

8. A wire of length L has resistivity ρ. If the wire is divided in two halves, then resistivity of each halve is:

 
 
 
 

9. In how many hours a 1000 watt AC will consume one unit of electricity

 
 
 
 

10. Of the following, the copper conductor that has the least resistance must be:

 
 
 
 

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