NEET (National Eligibility cum Medical Entrance Test) Physics: Questions 335  338 of 2142
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Question number: 335
» Communication System » Sky and Space Wave Propagation
Question
Two full turns of the circular scale of a screw gauge cover a distance of 1mm on its main scale. The total number of divisions on the circular scale is 50. Further, it is found
that the screw gauge has a zero error of  0.03 mm. While measuring the diameter of a thin wire, a student notes the main scale reading of 3 mm and the number of circular
scale divisions in line with the main scale as 35. The I diameter of the wire is
Choices
Choice (4)  Response  

a.  3.32 mm 

b.  3.67 mm 

c.  3.73 mm 

d.  3.38 mm 

Question number: 336
» Laws of Motion » Force and Inertia
Question
A swimmer can swim in still water at a rate 4 km/h. If he swims in a river flowing at 3 km/h and keeps his direction (w. r. t. water) perpendicular to the current. Find his velocity w. r. t. the ground.
Choices
Choice (4)  Response  

a.  11.40 km/hr 

b.  15.05 km/hr 

c.  30.20 km/hr 

d.  17 km/hr 

Question number: 337
Question
A torque of 30 Nm is applied on a 5 kg wheel whose moment of inertia is 2kgm ^{2} for 10 sec. The angle covers by the wheel in 10 sec will be
Choices
Choice (4)  Response  

a.  6000 rad 

b.  750 rad 

c.  1500 rad 

d.  3000 rad 

Question number: 338
» Electrostatics » Electric Potential
Question
Point charge q _{1} = 2 μ C and q _{2} =1 μ C are kept at points x = 0 and x = 6 respectively. Total electrical potential will be zero at points,
Choices
Choice (4)  Response  

a.  x = 1 and x = 5 

b.  x =2 and x = 2 

c.  x = 2 and x = 9 

d.  x = 4 and x = 12 
