Loading...

Lesson: Chapter - 19

Key Formulas

Time Dilation

Length Contraction

Addition of Relativistic Velocities

Relativistic Mass

Relativistic Kinetic Energy

Mass-Energy Equivalence

E = m0C2

Electron-Volts Related to Joules

1eV = 1.6 × 10-19J

Energy as a function of frequency

E = hƒ

Kinetic Energy of Liberated Photoelectron

KE = hƒ - F

Radius of Electron Orbit

Electron Potential Energy in a Hydrogen Atom

U = 1/n2(-13.6 eV)

De Broglie Wavelength

? = h/mv

De Broglie Wavelength for Electron

n? = 2?r

Heisenberg Uncertainty Principle

?x?p = h/4p

Atomic Mass Units in Kilograms

l amu = 1.6605 × 10-27 kg

Rate of Radioactive Decay

A = A0e>-?t
N = N
0e>

Half-Life of Radioactive Material

T1/2 = ln2/?

Back Next

Next to display next topic in the chapter.

Practice Questions

Video Lessons and 10 Fully Explained Grand Tests

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

More for You
All in this Category

You may be interested in

Colleges in Quetta

Find a comprehensive list of major ...

PAF College Lower Topa

How to get admission in PAF College ...

Study Abroad

How to go Abroad to study in a repu ...

International Issues

A list of Essays on International I ...

SAT Reasoning Test

SAT Reasoning - a general test for ...

SAT Subject Test Biology

Find all about SAT-II Biology with ...

Universities in Quetta

A comprehensive list of universitie ...

Universities in Bahawalpur

A list of major universities in Bah ...