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Class 11th

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6 months ago

Class 11th NCERT

Is Class 11 Physics NCERT difficult?

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Vikash Kumar Vishwakarma

Contributor-Level 10

Class 11 syllabus is vast. It is lots of theoretical concepts. Also, there are many formulas to remember. One who have good grip over concept and formulas can easily qualify the examination. Some of the important chapters in class 11 Physics are Laws of motions, gravitation, oscillations, thermodynamics, etc. These topics are also important to prepare for competitive examination.

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6 months ago

Class 11th NCERT Solutions

Can I download NCERT physics solutions for free?

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Vikash Kumar Vishwakarma

Contributor-Level 10

Yes, NCERT Class 11 Physics solutions pdf is available for free. Download and start the preparation for the exam.

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6 months ago

Class 11th Waves

In a transverse progressive wave of amplitude A, the maximum particle velocity is four times its wave velocity. The wavelength of the wave is:-

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alok kumar singh

Contributor-Level 10

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New answer posted

6 months ago

Class 11th Work, Energy and Power

The kinetic energy of a body decreases by 36%. The decrease in linear momentum is

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alok kumar singh

Contributor-Level 10

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6 months ago

Class 11th Work, Energy and Power

A particle of mass m is dropped from rest from a height h₀on a horizontal floor. The coefficient of restitution between the floor and particle is e. Maximum height attained by the particle after second collision is

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alok kumar singh

Contributor-Level 10

Height attained after first collision (h₁) = e²h₀

h² = e²h₁ = e⁴h₀

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6 months ago

Class 11th Physics System of Particles and Rotational Motion

An automobile engine develops 105 W power when rotating at an angular speed of 900 rad/minute. The instantaneous torque delivered by the engine is

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alok kumar singh

Contributor-Level 10

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6 months ago

Class 11th Physics

Gravitational force between two point masses is found to be F when both are in vacuum. If both the masses are immersed in water, new gravitational force will be:

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alok kumar singh

Contributor-Level 10

Gravitational force does not depend on the surrounding medium.

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6 months ago

Class 11th Physics

A ball is projected from ground with initial momentum p at an angle q. What is the magnitude of net change in linear momentum when it reaches at maximum height of journey?

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