AP EAMCET · PHYSICS · Communication System
If the length of an antenna is \(150 \mathrm{~cm}\), the transmission frequency is ____ \(\mathrm{MHz}\). (Speed of light in vacuum \(=3 \times 10^8 \mathrm{~ms}^{-1}\))
- A \(25\)
- B \(150\)
- C \(50\)
- D \(100\)
Answer & Solution
Correct Answer
(C) \(50\)
Step-by-step Solution
Detailed explanation
No solution. Refer to answer key.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- A long thin hollow metallic cylinder of radius has a current ampere. The magnetic induction away from the axis at a distance from the axis varies as shown in
AP EAMCET 2021 Medium - The effect due to uniform magnetic field on a freely suspended magnetic needle is as follows :AP EAMCET 2006 Easy
- An artificial satellite is revolving around a planet of radius \(R\) in a circular orbit of radius ' \(a\) '. If the time period of revolution of the satellite, \(T \propto a^{3 / 2} g^x R^y\), then the values of \(x\) and \(y\) are respectively
[ g - acceleration due to gravity]AP EAMCET 2025 Medium - A circular coil of area \(0.01 \mathrm{~m}^2\) and 40 turns is rotated about its vertical diameter with an angular speed of 50 \(\mathrm{rad} \mathrm{s}^{-1}\) in a uniform horizontal magnetic field \(0.05 \mathrm{~T}\). If the average power loss due to joule heating is \(25 \mathrm{~mW}\), then the closed loop resistance of the coil isAP EAMCET 2022 Hard
- During adiabatic expansion, if the temperature of 3 moles of a diatomic gas decreases by \(50^{\circ} \mathrm{C}\), then the work done by the gas is
(R - Universal gas constant)AP EAMCET 2025 Medium - A body is moving along a straight line under the influence of a constant power source. If the relation between the displacement \((\mathrm{s})\) of the body and time \((\mathrm{t})\) is \(s \propto t^x\), then \(x=\)AP EAMCET 2025 Medium
More PYQs from AP EAMCET
- When a body of mass \(1.0 \mathrm{~kg}\) is suspended from a certain light spring hanging vertically, its length increases by \(5 \mathrm{~cm}\). By suspending \(2.0 \mathrm{~kg}\) block to the spring and if the block is pulled through \(10 \mathrm{~cm}\) and released, the maximum velocity in it in \(\mathrm{m} / \mathrm{s}\) is : (Acceleration due to gravity \(=10 \mathrm{~m} / \mathrm{s}^2\) )AP EAMCET 2003 Medium
- A metal surface is illuminated by a light of given intensity and frequency to cause photoemission. If the intensity of illumination is reduced to one-fourth of its original value, then the maximum kinetic energy of the emitted photoelectrons would becomeAP EAMCET 2020 Medium
- A set of 10 parallel lines is intersected by another set of \(m\) parallel lines. If the total number of parallelograms formed by these two sets of lines is 675 . Then \(m\) is equal toAP EAMCET 2021 Easy
- Three charges of each magnitude \(100 \mu \mathrm{C}\) are placed at the corners \(A, B\) and \(C\) of an equilateral triangle of side \(4 \mathrm{~m}\). If the charges at points \(A\) and \(C\) are positive and the charge at point \(B\) is negative, then the magnitude of total force acting on the charge at \(C\) and angle made by it with \(A C\) areAP EAMCET 2019 Medium
- If \(\mathbf{a}=\hat{\mathbf{i}}+2 \hat{\mathbf{j}}+3 \hat{\mathbf{k}}, \mathbf{b}=-\hat{\mathbf{i}}+2 \hat{\mathbf{j}}+\hat{\mathbf{k}}\), \(\mathbf{c}=\hat{\mathbf{i}}+2 \hat{\mathbf{j}}-2 \hat{\mathbf{k}}\), \(\mathbf{n}\) is perpendicular to both \(\mathbf{a}\) and \(\mathbf{b}\) and \(\theta\) is the angle between \(\mathbf{c}\) and \(\mathbf{n}\) then \(\sin \theta=\)AP EAMCET 2018 Medium
- Ifsin \(\left(x+\frac{\pi}{3}\right)+\sin \left(x-\frac{\pi}{3}\right)=1\), then the value of \(x\) in the interval \([0, \pi]\)AP EAMCET 2022 Easy