$Assertion\,(A):$ Audio signal of frequency $10 kHz$ cannot be transmitted over long distance without modulation.
$Reason\,(R):$ Length of the antenna required $\lambda /$, should have practical value.
$Assertion\,(A):$ Audio signal of frequency $10 kHz$ cannot be transmitted over long distance without modulation.
$Reason\,(R):$ Length of the antenna required $\lambda /$, should have practical value.
- A
If both Assertion and Reason are true and Reason is correct explanation of Assertion.
- B
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
- C
If Assertion is true but Reason is false.
- D
If both Assertion and Reason are false.
Explore More
Similar Questions
If $f(x)=(x-1)(x-2)(x-3)$ for $x \in[0,4]$,then the value of $c \in(0,4)$ satisfying Lagrange's mean value theorem is:
$A$ uniform metal rod of $2\,mm^2$ cross-section fixed between two walls is heated from $0\,^{\circ}C$ to $20\,^{\circ}C$. The coefficient of linear expansion of the rod is $12 \times 10^{-6}\,/^{\circ}C$. Its Young's modulus of elasticity is $10^{11}\,N/m^2$. The energy stored per unit volume of the rod will be ....... $J/m^3$.
The equations of the perpendicular bisectors of sides $AB$ and $AC$ of a $\triangle ABC$ are $x-y+5=0$ and $x+2y=0$ respectively. If the coordinates of vertex $A$ are $(1, -2)$,then the equation of $BC$ is
For a given material,the Young's modulus is $2.4$ times that of the rigidity modulus. Its Poisson's ratio is
The number of ways of choosing $10$ objects out of $31$ objects,of which $10$ are identical and the remaining $21$ are distinct,is
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo