Physics · 2021
JEE Main · 18 March 2021, Shift 2 · Q29
A TV transmission tower antenna is at a height of 20 m. Suppose that the receiving antenna is at. (i) ground level (ii) a height of 5 m. The increase…
A TV transmission tower antenna is at a height of $\displaystyle 20$ m . Suppose that the receiving antenna is at.
(i)
ground level
(ii)
a height of $\displaystyle 5$ m.
The increase in antenna range in case (ii) relative to case (i) is n%.
The value of n, to the nearest integer, is \_\_\_\_.
Official answer
50
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.