Questions

In S.I. System unit of angular momentum is "joule.Second".

SI unit of Planck's constant is joule-seconds(j-s).

Pest infestation is nothing but the presence of large number of pests at a place, typically so as to cause damage or disease.

Climatic conditions affect a considerable number of pests. Some are more active during warmer periods than others. As these summer insects invade your home, they're likely in search of food, water, shelter, or have encountered an entrance. To pest-proof your home this summer, it's best to remove their 'WHY’ or reason for entering your home.

* Keep your place clean and dry. Make sure there is no food laying about.

* Removing food residue - food is a common attraction to a number of different pests.

* Regular disinfection of the surfaces.

Crystal size in igneous rocks is determined by rate of cooling i.e, the time taken by magma to cool down. 

Hence, the slower the rate of cooling the larger the crystals. The faster the rate of cooling the smaller the crystals.

Julius Robert Oppenheimer was an American theoretical physicist and professor of physics at the University of California, Berkeley. Oppenheimer was the wartime head of the Los Alamos Laboratory and is among those who are credited with being the "father of the atomic bomb" for their role in the Manhattan Project, the World War II undertaking that developed the first nuclear weapons. The first atomic bomb was successfully detonated on July 16, 1945, in the Trinity test in New Mexico.