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If T be the period of satellite revolving just above the surface of a planet whose average density is p, show that PT2 is a universal constant.Read more on Sarthaks.com – https://www.sarthaks.com/128011/if-the-period-satellite-revolving-just-above-the-surface-of-planet-whose-average-density
27
Aug
If T be the period of satellite revolving just above the surface of a planet whose average density is p, show that PT2 is a universal constant.Read more on Sarthaks.com – https://www.sarthaks.com/128011/if-the-period-satellite-revolving-just-above-the-surface-of-planet-whose-average-density If T be the period of satellite revolving just above the surface of a planet whose average density is p show that PT2 [...]
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If T be the period of satellite revolving just above the surface of a planet whose average density is p ,
show that PT2 is a universal constant.Read more on Sarthaks.com - https://www.sarthaks.com/128011/if-the-period-satellite-revolving-just-above-the-surface-of-planet-whose-average-density ,
For conduction in a p-n junction, the biasing is
27
Aug
For conduction in a p-n junction, the biasing is For conduction in a p-n junction the biasing is August 27, 2020 Category: Chapter 33 - Semiconductors , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The escape speed from earth’s surface is 11 km/s−1 . A certain planet has a radius twice that of earth but its mean density is the same as that of the earth. Find the value of the escape speed from the planet.
27
Aug
The escape speed from earth’s surface is 11 km/s−1 . A certain planet has a radius twice that of earth but its mean density is the same as that of the earth. Find the value of the escape speed from the planet. calculate the escape speed on the surface of the planet of mass 7.5 [...]
When arsenic is added as an impurity to silicon, the resulting material is
27
Aug
When arsenic is added as an impurity to silicon, the resulting material is the resulting material is When arsenic is added as an impurity to silicon August 27, 2020 Category: Chapter 33 - Semiconductors , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Barrier potential of a p-n junction diode does not depend on
27
Aug
Barrier potential of a p-n junction diode does not depend on Barrier potential of a p-n junction diode does not depend on August 27, 2020 Category: Chapter 33 - Semiconductors , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
calculate the escape speed on the surface of the planet of mass 7.5 x 10^25g and radius 1.6 x 10^6m. G =7.5 x 10^-8dyne cm^2 g-^2.
27
Aug
calculate the escape speed on the surface of the planet of mass 7.5 x 10^25g and radius 1.6 x 10^6m. G =7.5 x 10^-8dyne cm^2 g-^2. calculate the escape speed on the surface of the planet of mass 7.5 x 10^25g and radius 1.6 x 10^6m. G =7.5 x 10^-8dyne cm^2 g-^2. August 27, 2020 [...]
When n-type semiconductor is heated
27
Aug
When n-type semiconductor is heated When n-type semiconductor is heated August 27, 2020 Category: Chapter 33 - Semiconductors , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Which of the following, when added as an impurity, into the silicon, produces n-type semiconductor ?
27
Aug
Which of the following, when added as an impurity, into the silicon, produces n-type semiconductor ? into the silicon produces n-type semiconductor ? when added as an impurity Which of the following August 27, 2020 Category: Chapter 33 - Semiconductors , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , [...]
Estimate whether it takes more energy to get a satellite upto 1600km above the earth than to put in orbit there. Earth’s radius is 6400km. Does your answer remain same for height 3200km or for height 4800km?
27
Aug
Estimate whether it takes more energy to get a satellite upto 1600km above the earth than to put in orbit there. Earth’s radius is 6400km. Does your answer remain same for height 3200km or for height 4800km? Calculate the velocity with which a body must be thrown vertically from the surface of the earth so [...]
Distance between the centres of two stars is 10a. The masses of these stars are M and 16M and their radii a and 2a respectively. A body of mass m is fired straight from the surface of the larger star towards the smaller star. What should be its minimum initial speed to reach the surface of the smaller star? Obtain the expression in terms of G,Mand a.
27
Aug
Distance between the centres of two stars is 10a. The masses of these stars are M and 16M and their radii a and 2a respectively. A body of mass m is fired straight from the surface of the larger star towards the smaller star. What should be its minimum initial speed to reach the surface [...]