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Anu Degree 3rd Sem Physics Important Questions. We covered all the Anu Degree 3rd Sem Physics Important Questions in this post for free so that you can practice well for the exam.
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Mock test on Degree 3rd Sem Physics for Students
On a curved banked road, the safe speed of a vehicle is 20 m/s. The coefficient of friction between the tyres and the road surface is 0.5, and the angle of banking is such that tan θ = 0.5. The radius of the road should be:
a) 10 m
b) 20 m
c) 30 m
d) 40 m
Option c – 30 m
A circular track of radius 200 m is banked at an angle of 10°. If the coefficient of friction between the wheels and the road surface is 0.3, the maximum safe speed to prevent skidding is:
a) 10 m/s
b) 15.7 m/s
c) 31.4 m/s
d) 62.8 m/s
Option c – 31.4 m/s
A circular road has a radius of 120 m. A car can move with a maximum speed of 60 m/s without skidding. If the banking angle of the road is 45°, the coefficient of friction between the tyres and the road surface is:
a) 0.5
b) 0.4
c) 0.25
d) 0.2
Option a – 0.5
A coin is placed on a horizontal rotating disc at a distance of 25 cm from the axis of rotation. If the coefficient of friction is 0.2, the angular speed at which the coin is just about to slip is:
a) 1.4 rad/s
b) 2.8 rad/s
c) 3.6 rad/s
d) 0.7 rad/s
Option b – 2.8 rad/s
A circular road of radius 1000 m is banked at an angle of 45°. The maximum speed at which a car of Mass 2000 kg can travel without skidding, given that the coefficient of friction between the tyres and the road is 0.5, is:
a) 700 m/s
b) 100 m/s
c) 70 m/s
d) 172 m/s
Option d – 172 m/s
We covered all the anu degree 3rd sem Physics important Questions above in this post for free so that you can practice well for the exam.
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Also, check out:
- Plus Two Physics Previous Year Questions and Answers
- Plus One Physics Chapter Wise Questions and Answers
- SSLC Physics Chapter Wise Questions and Answers
