Class 11 ISC Physics Solutions. We covered all the Class 11 ISC Physics Solutions in this post for free so that you can practice well for the exam.
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Class 11 ISC Physics MCQs for Students
The force constant of SHM is measured in
(A) Nm
(B) N/m
(C) N
(D) m/N
Option b – N/m
A particle executes SHM of amplitude 2 cm. At the extreme position the force is 4 N. At a point midway between the mean and extreme position the force is :
(A) 2 N
(B) 3 N
(C) 4 N
(D) 6 N
Option a – 2 N
A particle executes SHM of time period 8 s and amplitude 4 cm. Find the speed of a particle 2s after it passes through mean position :
(A) Zero
(B) 8 cm/s
(C) 12.56 cm/s
(D) 6.28 cm/s
Option a – Zero
A body of mass 0.1 kg is undergoing SHM of amplitude 1 m and period 0.2 s. What is the maximum force acting on it?
(A) 9.87 N
(B) 987 N
(C) 98.7 N
(D) 49.3 N
Option c – 98.7 N
When a mass undergoes simple harmonic motion there is always a constant ratio between its displacement and :
(A) Period
(B) Acceleration
(C) Mass
(D) Velocity
Option b – Acceleration
A weight suspended from a spring oscillates up and down. The acceleration of the weight is zero at
(A) Highest point
(B) Lowest point
(C) Middle point
(D) Middle of amplitude
Option c – Middle point
The necessary and sufficient condition for a motion to be simple harmonic is :
(A) Acceleration should be constant
(B) The acceleration should be proportional to the displacement from the equilibrium position
(C) The acceleration should be directed toward the equilibrium position
(D) Both ‘2’ and ‘3’
Option d – Both ‘2’ and ‘3’
If a hole is bored along the diameter of the earth and the stone is dropped into the hole :
(A) The stone reaches the center of the earth and stops there
(B) The stone reaches the other side of the earth and stops there
(C) The stone executes SHM about the center of the earth
(D) Stone reaches the other side of the earth and escapes into the space
Option c – The stone executes SHM about the center of the earth
In periodic motion :
(A) the Speed of the particle is always constant
(B) the Speed of the particle is not constant
(C) the Speed of the particle may very or remains constant
(D) The velocity remains constant
Option c – the Speed of the particle may very or remains constant
What determines the frequency of natural oscillations of the system?
(A) Inertia alone
(B) Elasticity alone
(C) Both inertia and elasticity
(D) Neither inertia nor elasticity
Option c – Both inertia and elasticity
The motion of a simple pendulum is SHM because
(A) It is simple to construction
(B) It oscillates in a simple way
(C) Its acceleration is proportional to the displacement from the mean position
(D) It depends on the mass of the body
Option c – Its acceleration is proportional to the displacement from the mean position
We covered all the class 11 isc physics solutions above in this post for free so that you can practice well for the exam.
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