An isotope of nickel, Nickel-62 with 34 neutrons and 28 protons has the highest binding energy per nucleon. The binding energy value of Nickel-62... View Article
H3O+ (Hydronium) does not have a vacant orbital in the valence shell therefore it cannot gain electrons. But it still acts as an electrophile,... View Article
The most destructive seismic wave is surface waves. The surface waves will move just under the surface of the Earth. Surface waves move the... View Article
Waves are of different types: Light waves, sound waves, ocean waves, seismic waves and many more. Light waves travel at a speed of 3 x 108 m/s in... View Article
The electromagnetic waves are the light waves. Only a small portion of the electromagnetic spectrum can be seen in the form of light. The... View Article
Waves exhibit several basic phenomena when it encounters an object. They are reflected, refracted, diffracted, polarised etc depending on the... View Article
When a material is magnetised, energy is put into it. This energy is stored in the field of the magnet. The magnetic field can be of a permanent... View Article
The kinetic energy is the result of previously stored potential energy. For example, in a battery, the chemical potential energy stored will be... View Article
The energy doesn't come from the electric field itself. The energy is due to the interaction between the charges and the electromagnetic field.... View Article
The SI unit of a capacitor is Farad. One farad is a very large value for normal household capacitors. Therefore, household capacitors are marked... View Article
1) cos h ɑ cos β 2) cos ɑ cos β 3) cos ɑ cos hβ 4) sin ɑ sin hβ Solution: (1) cos h ɑ cos β The real part of cos h (ɑ + iβ) is cos h (ɑ +... View Article
1) 2 sin hɑ sin hβ 2) 2 sin hɑ sin β 3) cos hɑ cos hβ 4) 2 cos ɑ cos β Solution: (2) 2 sin hɑ sin β cos h (ɑ + iβ) - cos h (ɑ - iβ) = 2 sin... View Article
1) i cos hx 2) - i cos hx 3) cos x 4) - cos x Solution: (1) i cos hx sin h [x + (Ï€i / 2)] = - i sin [ix - (Ï€ / 2)] = i sin [(Ï€ / 2) - ix] =... View Article
1) log sec (ɑ / 2) 2) log tan ɑ 3) log (sec ɑ + tan ɑ) 4) log sin (ɑ / 2) Solution: (3) log (sec ɑ + tan ɑ) cos ɑ cos h β = 1 cos h β = sec... View Article
1) tan h-1 x 2) cot h-1 x 3) sin h-1 2x 4) cos h-1 2x Solution: (1) tan h-1 x Let x = tan hy, then x / (√1 - x2) = [tan hy] / [sec hy] = sin... View Article
1) log [1 + sin x] / cos x 2) log [1 - sin x] / cos x 3) log [1 + cos x] / sin x 4) log [1 - cos x] / sin x Solution: (1) log [1 + sin x] /... View Article
