The upper limit of Ionosphere is –

1480 Kms

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840 Kms

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480 Kms

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Solution

The correct option is C
480 Kms

480 Kms

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Similar questions

Q. Ionosphere extends from about 80 to 1,000 km :

The ratio of the speed of a train and a car is 16 : 15. Also, a bus covered a distance of 480 km in 8 hours. The speed of the bus is three-fourth the speed of the train. How much distance will the car cover in 6 hours?

Q. Match column A (layers in the ionosphere for skywave propagation) with column B (their height range).

Column A	Column B
(I) D-layer	(a) $250 - 400$ km
(II) E-layer	(b) $170 - 190$ km
(III) $F_{1}$ -layer	(c) $95 - 120$ km
(IV) $F_{2}$ -layer	(d) $65 - 75$ km

Q. It took Tim, 1480 s and 1500 s to finish a lap in two separate racetracks respectively, while driving at a constant speed. If the first track measured 14.8 km, what would be the length of second track?

Q. From the given data, find the average speed of a car in

k m / h r

Distance	Time
0-100 km	2 hours
100-350 km	6 hours
350-480 km	4 hours

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The upper limit of Ionosphere is –

The correct option is C 480 Kms 480 Kms

The correct option is C
480 Kms

480 Kms