Question
Satellites used for telecommunication relay are kept in
a geostationary orbit. A satellite is said to be in such an orbit when: 1. The orbit is geosynchronous. 2. The orbit is circular, 3. The orbit lies in the plane of the Earth’s equator. 4. The orbit is at an altitude of 22,236 km. Select the correct answer using the codes given below:Solution
The correct answer is A
Which of the following is the correct set-up for electrolytic refining of silver?
The density of the liquid when heated
A body is thrown vertically upward. At the highest point of its motion, which of the following is true?
Deficiency of _________ causes the leaves to develop a dark green colouration.
What happens when light enters a glass slab from air?
What is the focal length of a double convex lens for which the radius of curvature of each surface is 30 cm and the refractive index of glass is 2.50 ?
The mass of a body on earth is 10 Kg, acceleration due to gravity, g (e) is 10 m/s² . If acceleration due to gravity on the moon is g (m) 6 m/s² , the...
The radiation initially produced in fluorescent tube is –
An element "X", having atomic number 16. gains two electrons to form an anion X. What will be the atomic
number of 'X' in the anion?
Necessary element of change in solar energy to electric energy –
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