Select the most appropriate ANTONYM of the given

How much time does a Geostationary satellite take to complete one orbit, at the height of 35790 km?

Pulsars are :

Which type of mirror is utilized in solar furnaces to focus sunlight and generate heat?

If input frequency of a full wave rectifier be n, then output frequency would be-

Why is red colour preferred for danger signal lights?

Which of the following is the best fire-extinguisher?

Which one is the largest Island of Japan?

Temperature of the Sun is measured by?

1 unit of Newton is equal to

What is the SI unit for measuring electrical capacitance?