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Physics Physics Nuclei

A radioactive element undergoes successive radioactive decay and decays into The number of a and b– particles emitted respectively are:

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alok kumar singh

Contributor-Level 10

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Physics Class 12th

The logic gate realised from the circuit as shown in figure is (P and Q are inputs and Z is output)

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alok kumar singh

Contributor-Level 10

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Physics Class 11th

Two particles of masses 5 kg and 10 kg are placed along x-axis at positions x = 1 m and x = 3 m. The moment of inertia of the system about an axis respectively passing through centre of mass and parallel to y-axis is

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alok kumar singh

Contributor-Level 10

Distance of CM from 5 kg = 10*2/15 = 4/3m

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Physics Class 12th

Determine the number of nuclei that will be decayed upto one average life of radioactive material? (N₀ : Initial number of nuclei)

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alok kumar singh

Contributor-Level 10

N = N₀e^–^λ^t

->t = λN = N₀/e

So number of nuclei decayed = N₀ – N

= N₀ (1- 1/e)

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Physics NCERT

What is chapter 11 physics name?

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Vikash Kumar Vishwakarma

Contributor-Level 7

Class 11 Physics Chapter 11 is Thermodynamics. It is one of the most important topic in Physics.

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Physics Atoms

Maximum wavelength in Balmer series of hydrogen spectrum is (R : Rydberg constant)

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alok kumar singh

Contributor-Level 10

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Physics Physics Magnetism and Matter

The B-H curve of two material are given below. Substance (a) most likely indicate

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alok kumar singh

Contributor-Level 10

B-H curve drawn for only ferromagnetic material.

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Physics NCERT

Is Class 11 Physics NCERT difficult?

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Vikash Kumar Vishwakarma

Contributor-Level 7

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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Physics NCERT Solutions

Can I download NCERT physics solutions for free?

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