Experiment: How Light Travels
Experiment: How Light Travels Task: Take three note book covers of the same site. Place one cover after another in way that all the edges…
Physics
Harmful Effects of Sound Pollution in Human Life
Harmful Effects of Sound Pollution in Human Life Sound pollution takes place when there is either extreme amount of noise or a repulsive sound that…
Explain Kepler’s law of planetary motion
A German astronomer, Johann Kepler, first stated the laws of planetary motion. The three laws of planetary motion are: The law of orbits: Every planet…
Stationary Satellite
The time period of rotation of some artificial satellites is the same as that of the earth. These satellites appear to be stationary to the…
Artificial Satellites
The spacecraft revolved around the earth about its prescribed orbits are known as artificial satellites. To revolve round the earth, the artificial satellites must be…
Gravitation and Gravity
Gravitation The force of attraction between any two bodies of the universe is called gravitation. The attraction between the sun and the earth is an…
What do you mean by Sensitivity of a Thermometer?
The sensitivity of a thermometer refers to the minor temperature transform that can be detected or considered. The sensitivity of a thermometer is defined as…
Describe Green house effect from Wien’s law
In colder countries, glass walled houses are constructed to preserve the vegetation’s during the winter season. These are called Green Houses, which serve as effective…
Define Absorptive Power
The absorptive power of a body (or a surface) is defined as the ratio of the energy absorbed in a given time (or in a…
All resonances are forced vibrations
When a body capable of vibration is subjected to the action of an external periodic force, the vibrates irregularly at initial stage but later on…
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