GOKUL ACADEMY OF SCIENCE15, Near Gajanan High School, New Subhedar Lay-out, Nagpur-24

Ph.No.0712-2743707,6466067

Date : 01-01-2012 Subject : Physics Std : XII Sci.Time : 01:00 Hrs. (Circular Motion) Max. Marks : 20

Q.1 Define : 1. Radius vector

2. Angular acceleration 3. Time period

(M-03)

Q.2 Derive the relation between linear velocity and angular velocity. (M-02)

Q.3 Write kinematical equations for circular motion in analog with linear motion. (M-04)

Q.4 Derive the velocity for a particle at bottom(mean) position and at maximum height performing vertical circular motion.

(M-04)

Q.5 An object of mass 0.4 Kg is whirled in horizontal circle of radius 2m. if angular velocity is 6.28 rad./ sec. , calculate centripetal force acting on it.

(M-03)

Q.6 Calculate frequency of second hand of a clock having time period 60sec. (M-02)

Q.7 What is the maximum velocity for a vehicle on horizontal curve road? (M-02)

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