Nageen Prakashan Physics Class 12

Nageen Prakashan Physics Class 12. We covered all the Nageen Prakashan Physics Class 12 in this post for free so that you can practice well for the exam.

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Related Posts:

• Pradeep Physics Class 12 Volume 1
• UP Board Class 12 Physics Chapter 1
• Physics Class 12 Chapter 4 in Hindi

Physics Class 12 qna Mock test for Students

During one complete Oscillation of a simple pendulum, the work done by the tension in the string is equal to:

a) Total energy of the pendulum

b) Kinetic energy of the pendulum

c) Potential energy of the pendulum

d) Zero

Show Answer

If the steel bob of a simple pendulum is replaced by a wooden bob of the same volume, the time period will:

a) Increase

b) Decrease

c) Remain unchanged

d) Become zero

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When the length of a simple pendulum is increased by 44%, the percentage increase in its time period is:

a) 11%

b) 20%

c) 44%

d) 30%

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A ring is suspended from a point on its rim using a string of length 2.25 m. The time period of Oscillation is:

a) 8 s

b) 4 s

c) 3 s

d) 2 s

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If the length of a simple pendulum becomes four times its original value, its time period becomes:

a) Twice

b) Three times

c) Four times

d) One and a half times

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If the length of a seconds pendulum is increased by 2%, how many seconds will it lose in one day?

a) 3927 s

b) 2927 s

c) 1032 s

d) 864 s

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The graph drawn between the length of a simple pendulum and its time period has the shape of a:

a) Straight line through the origin

b) Ellipse

c) Hyperbola

d) Parabola

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To demonstrate that a simple pendulum performs simple harmonic motion, which assumption is essential?

a) The pendulum length is very small

b) The Mass of the bob is very small

c) The angular amplitude of Oscillation is small

d) The acceleration due to gravity is small

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A simple pendulum has a hollow spherical bob of Mass 50 g and time period 2 s. If it is replaced by a Solid bob of the same radius but Mass 100 g, the new time period will be:

a) 4 s

b) 2 s

c) 0.5 s

d) 3 s

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In simple harmonic motion, the kinetic energy and potential energy are related such that throughout the motion:

a) Kinetic energy remains constant

b) Potential energy remains constant

c) The ratio of kinetic energy to potential energy remains constant

d) The sum of kinetic and potential energy remains constant

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When the displacement of a particle executing SHM is half of its amplitude, the fraction of total energy that is kinetic energy is:

a) 1/8

b) 1/2

c) 1/4

d) 3/4

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A stone of Mass 0.5 kg is dropped vertically onto a spring from a height of 2 m. If the maximum compression of the spring is 10 cm, the force constant of the spring is:

a) 1000 N/m

b) 2000 N/m

c) 2500 N/m

d) 3000 N/m

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In which of the following situations does potential energy decrease?

a) When a spring is compressed

b) When a spring is stretched

c) When a body is lifted against gravity

d) When an air bubble rises upward in water

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We covered all the nageen prakashan Physics Class 12 above in this post for free so that you can practice well for the exam.

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Also, check out:

• Pradeep Physics Class 12 Volume 1
• UP Board Class 12 Physics Chapter 1
• Physics Class 12 Chapter 4 in Hindi