Q29.To double the covering range of a TV transmitting tower, its height should be multiplied by: (1) 1 (2) 4 √2 (3) 2 (4) √2
What This Question Tests
This question directly applies the formula for the range of a TV transmitting antenna in line-of-sight communication, relating it to the height of the antenna.
Concepts Tested
Formulas Used
d = √(2hR_e)
📚 NCERT Sections This Tests
12.5 — A Hydrogen Atom Initially In The Ground Level Absorbs A Photon,
Physics Class 12 · Chapter 12
12.5 A hydrogen atom initially in the ground level absorbs a photon, which excites it to the n = 4 level. Determine the wavelength and frequency of photon.
12.7 — The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 · Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3×10–11 m. What are the radii of the n = 2 and n =3 orbits?
9.23 — (A) At What Distance Should The Lens Be Held From The Card Sheet In
Physics Class 12 · Chapter 9
9.23 (a) At what distance should the lens be held from the card sheet in Exercise 9.22 in order to view the squares distinctly with the maximum possible magnifying power? (b) What is the magnification in this case? (c) Is the magnification equal to the magnifying power in this case? Explain.
📋 Question Details
- Chapter
- Communication Systems
- Topic
- Range of TV transmission
- Year
- 2019
- Shift
- 12 Jan Shift 2
- Q Number
- Q29
- Type
- Conceptual
- NCERT Ref
- Class 12 Physics Ch 15: Communication Systems
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