Assuming that a planet goes round the sun in a circular orbit of radius `0.5AU` determine the angle of maximum elongation for the planet and its distance from the earth when elongation is measured.
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A circular coil `P` of `100` turns and radius `2cm` is placed coaxially at the center of another circular coil `Q` of `100` turns and radius `20cm` .
Correct Answer - `(a) 3.94xx10^(-4)H (b) 19.72xx10^(-3)V (c ) 19.72xx10^(-3)Wb//s (d) 9.86xx10^(-5)C`
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Two identical planar capacitor connected in parallel and charged to a voltage `U_(0)=12V`. When you disconnect them from the voltage source, the dista
Correct Answer - 6V
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An electron moves in a circular orbit of radius 10 cm with a constant speed of `4.0xx10^(6) ms^(-1)`. Determine the electric current at a point on the
Correct Answer - `1.02xx10^(-12)A`
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The binding energy of a satellite revolving around planet in a circular orbit is 3 × 10^9 J. Its kinetic energy is ______
Correct answer is (D) 3 × 10+9 J
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A person moves towards north with uniform speed of 15 m/s and cover 16 m. After this he moves towards east and covers 6 m and finallt covers 8 m dista
Correct Answer - (i)`30m,53^(@)`,N of E (ii)10 m, (iii)` 5m//s53^(@)`, N of E
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A planet is revolving around a star in a circular orbit of radius R with a period T. If the gravitational force between the planet and the star
Correct option is: (A) T2 ∝ R5/2
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Time period of revolution of a satellite around a planet of radius R is T. Period of revolution around another planet whose radius is 3R is
Correct option is: (A) T Period of resolution \(T = 2 \pi \sqrt \frac{R^3}{GM} \) \(T = 2 \pi \sqrt \frac{R^3}{G \frac{4}{3} \pi R^3 \rho} \) The period of revolution depends upon the density of...
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Time period of revolution of a satellite around a planet of radius R is T. Period of revolution around another planet whose radius is 3R is
2 Answers
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A satellite is orbiting around a planet at a constant height in a circular orbit. If the mass of the planet is reduced to half, the satellite would
Correct option is: (D) escape from the planet.
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If ve and vo represent the escape velocity and orbital velocity of a satellite corresponding to a circular orbit of radius R respectively, then
Correct option is: (B) \(\sqrt{2}\)vo = ve
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