Q20.The TV transmission tower at a particular station has a height of 125 m . For doubling the coverage of its range, the height of the tower should be increased by (1) 500 m (2) 375 m (3) 250 m (4) 125 m
What This Question Tests
This question tests the relationship between the height of a TV transmission tower and its coverage range, requiring calculation of the necessary height increase to double the range.
Concepts Tested
Formulas Used
d = √(2Rh)
📚 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.
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.
2.5 — A Parallel Plate Capacitor With Air Between The Plates Has A
Physics Class 11 · Chapter 2
2.5 A parallel plate capacitor with air between the plates has a capacitance of 8 pF (1pF = 10–12 F). What will be the capacitance if the distance between the plates is reduced by half, and the space between them is filled with a substance of dielectric constant 6?
📋 Question Details
- Chapter
- Communication Systems
- Topic
- Range of TV transmission
- Year
- 2022
- Shift
- 29 Jun Shift 2
- Q Number
- Q20
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 15: Communication Systems
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