Advertisements
Advertisements
प्रश्न
What are black holes?
टिप्पणी लिखिए
उत्तर
- Black holes are the end-stage of stars which are the highly-dense massive objects. Its mass ranges from 20 times the mass of the sun to 1 million times the mass of the sun.
- It has a very strong gravitational force such that no particle or even light can escape from it.
- The existence of black holes is studied when the stars orbiting the black hole behaves differently from the other stars. Every galaxy has a black hole at its center.
shaalaa.com
Nanoscience and Nanotechnology
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
The particle size of ZnO material is 30 nm. Based on the dimension it is classified as
Which one of the following is the natural nanomaterial.
The blue print for making ultra-durable synthetic material is mimicked from ____________.
The method of making nanomaterial by assembling the atoms is called ____________.
The particle which gives mass to protons and neutrons are ____________.
Distinguish between Nanoscience and Nanotechnology.
What is the difference between Nano materials and Bulk materials?
Give any two examples for “Nano” in nature.
What are subatomic particles?
Discuss the applications of Nanomaterials in various fields.
