Tuesday, December 24, 2019
How Videos Work ? How do we watch Movies ?
December 24, 2019
How Videos Work ? How do we watch Movies ?
Ans: A video is nothing but a collection of images which are displayed to our eyes continuously with a very short time interval between them. let us see what do we mean by it.
...
Monday, December 23, 2019
What is X-Ray ?
December 23, 2019
What is X-Ray ?
X-Rays are a from of electromagnetic radiation, as a is visible light, but with some different characteristics.
...
Wednesday, February 6, 2019
How does Thermometer Works?
February 06, 2019
How does Thermometer Works?
Answer :
Thermometer works on the principle of Thermal Expansion. All metals expand with increase in temperature &vice versa i.e. decrease in size...
Sunday, January 27, 2019
How Coal and Petroleum is formed?
January 27, 2019
How Coal and Petroleum is formed?
Answer :
Coal and petroleum have been formed from remains of dead animals and plants which has been subjected to various biological and geological...
Thursday, January 24, 2019
What's the difference between LCD and LED TV?
January 24, 2019
What's the difference between LCD and LED TV?
Answer :
The only difference between the two is how the light is generated at the back of the screen. Let us see what this exactly...
Tuesday, January 22, 2019
Computer : How does it work?
January 22, 2019
Computer : How does it work?
Answer :
A computer is an electronic machine that processes information , it takes in raw information (or data), stores it unit its ready to work...
Do you know : Why electric wires are made up of copper ?
January 22, 2019
Do you know : Why electric wires are made up of copper ?
Answer :
Copper is good conductor of electricity which is the time requirement. At the same time it is also highly ductile...
Monday, January 21, 2019
Oil fire cannot be extinguish with water. Why?
January 21, 2019
Oil fire cannot be extinguish with water. Why?
Answer :
Since the specific gravity of oil is less than water, it vats over water. As a result, water will not put out oil fires once the burning...
When do things catch fire ? What is fire actually ?
January 21, 2019
When do things catch fire ? What is fire actually ?
Answer :
There is something called ignition Temperature. monition
temperature is the minimum temperature at which...
Sunday, January 20, 2019
Bicycle frames are made of hollow pipes. why?
January 20, 2019
Bicycle frames are made of hollow pipes. why?
Answer :
A tube is more efficient than a solid in terms of length to weight ratio. So, bicycles frames are made of hollow...
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