ETEA MDCAT PAPER 2023

( PART 8 )

1. The speedometer of a car shows 36 km/hr. The angular speed of the wheels having 0.5m radius is:

 
 
 
 

2. The angular speed In radian/hour for daily rotation of our earth is

 
 
 
 

3. A fly wheel rotates at constant speed of 600 rpm. The angle described by the shaft In radian in one second is

 
 
 
 

4. The angular speed of the second hand of a watch is:

 
 
 
 

5. A stretched string vibrates with frequency f, when tension in the string is T, for what value of tension. the frequency of the same string is doubled

 
 
 
 

6. The longitudinal waves travel more slowly in _____ than _____ in.

 
 
 
 

7. Sinusoidal water waves are generated in a large ripple tank. The waves travel at 25 cm/s and their adjacent crests are 5 cm apart. The time required for each new whole cycle to be generated is:

 
 
 
 

8. The distance between adjacent node and anti-node is equal to:

 
 
 
 

9. A string damped at its both ends, vibrates in four segments (loops). The length of string is 150 cm. The wavelength of the wave is:

 
 
 
 

10. The square root of the ratio of elasticity to mass density is equal to:

 
 
 
 

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