what is black hole.

Answer Posted / gunjan

black hole is a region in time and space within which gravity is so strong then nothing can escape not even an electromagnetic radiations such a visible light

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

describe the magnetism of earth?

1610


write a program which calculates for every five digit integer entered on a keyboard, a numerical code computed as follows:first digit multiplied by 2+ second digit divided by 3 and the quotient multiplied by the third digit, + the fourth digit + the fifth digit divided by 2. the program should then display the following results 1, the code calculated from the integer value entered 2, the character value corresponding to the code as per the ASCII TABLE 3, Given any three 5-digit integer number, display the corresponding three-character code key:

1976


John was performing IS audit of a computer center. He noticed that two activities were performed by the same person. He did NOT report one of the following sets of activities as audit failure. Which one did he not report? A) Security operation and change management B) Computer operations and system development C) System development and change management D) System development and systems testing

1587


Suppose Aap 12th class mai padte ho.aap hamen ye batao aapko apne ghar ke sadasya ko kaise kahin le jayenge jaise shoping.give me answer plz

1750


the system analysis and design methodology employed by organization reflects on management culture and style

1081






What is the general IQ of the human being?

1026


who is the winner of woman's single title in french open tennis championship 2011

1774


how many elements are common to living organisms?

1626


how to suspend a heavy density powder in alcohol

1643


why are SRAMs used in small memory application and DRAMs used in large memory appllication

1634


If Nasa where to sink a large tube down a few miles into one of the deepest parts of the ocean or a spiral tube not so deep. Then fit electromagnetic monorail running gear to a sledge and then put a space cargo vehicle inside the sledge. With ball valves to compartmentalise the tube off to keep a constant pressure with inert gases as the space shuttle accelerates using electromagnetism to gain altitude and then loses the sledge. Next fires it's main rocket engines to carry on up to space. Would this idea work and would it save money on fuel if the space cargo vehicles where only say 5 ton cargo holds. Also they could be reusable with their rocket engines.

1472


why caffeine use for hplc calibration and is there any oyher alternative

1139


if they ask me thet u have any body in us and i have aaunt in us then what i ans to them yes or no

1823


What is a large group of islands such as the Maldives?

1492


Wats d criteria to make a shampoo in liquid or jelly form???

1538