Goyal Brothers Prakashan Class 9 Physics Solutions. We covered all the Goyal Brothers Prakashan Class 9 Physics Solutions in this post for free so that you can practice well for the exam.
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Class 9 Physics Mock Test for Students
If a graph is drawn for acceleration versus displacement of a simple harmonic oscillator it is an
(A) Straight line
(B) Circle
(C) Ellipse
(D) Hyperbola
Option a – Straight line
Each piston of a car engine has a mass of 1 kg and a stroke of 10 cm. If the engine operates at 3000 rpm then the maximum force acting on it :
(A) 10,000 N
(B) 5,000 N
(C) 2,000 N
(D) 1,000 N
Option b – 5,000 N
A vertical U-tube of uniform cross-section contains water up to a height of 49 cm. The water on one side is depressed and released then the time period is :
(A) 6.28 s
(B) 1.57 s
(C) 3.14s
(D) 1.4 s
Option d – 1.4 s
The velocities of a particle executing S.H.M. are 0.8 m/s and 0.6 m/s when its displacements from the mean position are 0.6 m and 0.8 m respectively. Then its amplitude and period of oscillation are :
(A) 1 m, 6.28 s
(B) 2 m, 6.28 s
(C) 1 m, 3.14 s
(D) 2 m, 3.14 s
Option a – 1 m, 6.28 s
A block is on a piston that is moving vertically with an S.H.M of period 1 s. At what amplitude of motion will the block and piston separate? :
(A) 10 cm
(B) 20 cm
(C) 25 cm
(D) 30 cm
Option c – 25 cm
We covered all the goyal brothers prakashan class 9 physics solutions above in this post for free so that you can practice well for the exam.
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