Questions

Uranus is 2,870 million kilometers away from the sun and the time taken to complete one round at a speed of 6.8 km/sec is as  long as 84 years on earth

The photoelectric effect pointed to the particle properties of light, which had been considered to be a wave phenomenon. Particles like electron and protons have both particle like and wave like behavior. Thus, according to de Broglie, all the material particles in motion possess wave characteristics. Although the dual nature of matter is applicable to all material objects but it is significant for microscopic bodies only.

Biotin is a water-soluble B vitamin, also called vitamin B7 and formerly known as vitamin H or coenzyme R.

A tone in music is a sound that has definite pitch. Pitch is nothing but the relative highness or lowness of a sound.

The first computers used vacuum tubes for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms.

The three main functions of Kidneys are ::

* Regulating and filtering minerals from blood.

* Maintaining overall fluid balance.

* Filtering waste materials from food, medications, and toxic substances.